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May 5, 2024 16:37
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HTML5 Specification YAML file
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| a: | |
| name: Anchor | |
| description: 'The a element represents a hyperlink, linking to another resource.' | |
| level: inline | |
| unique: false | |
| attributes: | |
| download: | |
| description: 'Indicates that the linked content should be downloaded rather than displayed.' | |
| defaultValue: filename.pdf | |
| type: string | |
| elements: | |
| - a | |
| - area | |
| href: | |
| description: 'Specifies the URL of the linked resource. Special protocols such as mailto: or tel: can be used.' | |
| type: uri | |
| required: true | |
| elements: | |
| - a | |
| - area | |
| - base | |
| - link | |
| hreflang: | |
| description: 'Specifies the language of the linked resource.' | |
| type: language_iso | |
| defaultValue: en | |
| elements: | |
| - a | |
| - area | |
| - link | |
| rel: | |
| description: 'Specifies the relationship between the current document and the linked document.' | |
| type: enum | |
| choices: | |
| - alternate | |
| - author | |
| - bookmark | |
| - canonical | |
| - help | |
| - icon | |
| - license | |
| - next | |
| - nofollow | |
| - noreferrer | |
| - prefetch | |
| - prev | |
| - search | |
| - stylesheet | |
| - tag | |
| elements: | |
| - a | |
| - area | |
| - link | |
| target: | |
| description: 'Specifies where to open the linked document.' | |
| type: enum | |
| defaultValue: _self | |
| choices: | |
| - _blank | |
| - _parent | |
| - _self | |
| - _top | |
| - framename | |
| elements: | |
| - a | |
| - area | |
| - base | |
| - form | |
| title: | |
| description: 'Specifies additional information about the element, typically displayed as a tooltip.' | |
| type: string | |
| elements: | |
| - a | |
| - abbr | |
| - area | |
| - audio | |
| - button | |
| - details | |
| - iframe | |
| - img | |
| - input | |
| - map | |
| - object | |
| - progress | |
| - span | |
| - strong | |
| - sub | |
| - sup | |
| - svg | |
| - time | |
| - video | |
| type: | |
| description: 'Specifies the media type of the linked resource.' | |
| type: enum | |
| elements: | |
| - a | |
| - area | |
| - button | |
| - input | |
| - link | |
| - object | |
| - script | |
| - source | |
| - style | |
| text: string | |
| abbr: | |
| name: Abbreviation | |
| description: 'The abbr element represents an abbreviation or acronym, optionally with its expansion. The title attribute can be used to provide an expansion of the abbreviation. The attribute, if specified, must contain an expansion of the abbreviation, and nothing else.' | |
| level: inline | |
| defaultValue: HTML | |
| unique: false | |
| text: string | |
| attributes: | |
| title: | |
| description: 'Specifies additional information about the element, typically displayed as a tooltip.' | |
| type: string | |
| elements: | |
| - a | |
| - abbr | |
| - area | |
| - audio | |
| - button | |
| - details | |
| - iframe | |
| - img | |
| - input | |
| - map | |
| - object | |
| - progress | |
| - span | |
| - strong | |
| - sub | |
| - sup | |
| - svg | |
| - time | |
| - video | |
| address: | |
| name: Address | |
| description: 'The address element represents the contact information for its nearest article or body ancestor. If that is the body element, then the contact information applies to the document as a whole.' | |
| level: inline | |
| unique: false | |
| parent: article | |
| unique_per_parent: true | |
| text: string | |
| area: | |
| name: Area | |
| description: 'The area element represents either a hyperlink with some text and a corresponding area on an image map, or a dead area on an image map.' | |
| level: void | |
| unique: false | |
| attributes: | |
| alt: | |
| description: 'Specifies alternative text to be displayed when the image cannot be rendered.' | |
| type: string | |
| required: true | |
| elements: | |
| - area | |
| - img | |
| coords: | |
| description: 'Specifies the coordinates of the shape in a rectangular area or a polygonal area on an image map.' | |
| type: string | |
| elements: | |
| - area | |
| download: | |
| description: 'Indicates that the linked content should be downloaded rather than displayed.' | |
| defaultValue: filename.pdf | |
| type: string | |
| elements: | |
| - a | |
| - area | |
| href: | |
| description: 'Specifies the URL of the linked resource. Special protocols such as mailto: or tel: can be used.' | |
| type: uri | |
| required: true | |
| elements: | |
| - a | |
| - area | |
| - base | |
| - link | |
| hreflang: | |
| description: 'Specifies the language of the linked resource.' | |
| type: language_iso | |
| defaultValue: en | |
| elements: | |
| - a | |
| - area | |
| - link | |
| rel: | |
| description: 'Specifies the relationship between the current document and the linked document.' | |
| type: enum | |
| choices: | |
| - alternate | |
| - author | |
| - bookmark | |
| - canonical | |
| - help | |
| - icon | |
| - license | |
| - next | |
| - nofollow | |
| - noreferrer | |
| - prefetch | |
| - prev | |
| - search | |
| - stylesheet | |
| - tag | |
| elements: | |
| - a | |
| - area | |
| - link | |
| shape: | |
| type: enum | |
| choices: | |
| - circle | |
| - default | |
| - poly | |
| - rect | |
| target: | |
| description: 'Specifies where to open the linked document.' | |
| type: enum | |
| defaultValue: _self | |
| choices: | |
| - _blank | |
| - _parent | |
| - _self | |
| - _top | |
| - framename | |
| elements: | |
| - a | |
| - area | |
| - base | |
| - form | |
| type: | |
| description: 'Specifies the media type of the linked resource.' | |
| type: enum | |
| elements: | |
| - a | |
| - area | |
| - button | |
| - input | |
| - link | |
| - object | |
| - script | |
| - source | |
| - style | |
| article: | |
| name: Article | |
| description: 'The article element represents a self-contained composition in a document, page, application, or site, which is intended to be independently distributable or reusable.' | |
| level: block | |
| unique: false | |
| children: | |
| - a | |
| - abbr | |
| - area | |
| - audio | |
| - b | |
| - bdi | |
| - bdo | |
| - br | |
| - cite | |
| - code | |
| - data | |
| - del | |
| - dfn | |
| - div | |
| - dl | |
| - em | |
| - embed | |
| - figure | |
| - form | |
| - h1 | |
| - h2 | |
| - h3 | |
| - h4 | |
| - h5 | |
| - h6 | |
| - i | |
| - iframe | |
| - img | |
| - ins | |
| - kbd | |
| - map | |
| - mark | |
| - object | |
| - ol | |
| - p | |
| - picture | |
| - pre | |
| - q | |
| - ruby | |
| - s | |
| - samp | |
| - small | |
| - span | |
| - strong | |
| - sub | |
| - sup | |
| - table | |
| - time | |
| - u | |
| - ul | |
| - var | |
| - video | |
| - wbr | |
| aside: | |
| name: Aside | |
| description: 'The aside element represents a section of a page that consists of content that is tangentially related to the content around the aside element, and which could be considered separate from that content.' | |
| level: block | |
| unique: false | |
| children: | |
| - a | |
| - abbr | |
| - area | |
| - audio | |
| - b | |
| - bdi | |
| - bdo | |
| - br | |
| - cite | |
| - code | |
| - data | |
| - dd | |
| - del | |
| - dfn | |
| - div | |
| - dl | |
| - dt | |
| - em | |
| - embed | |
| - figcaption | |
| - figure | |
| - h1 | |
| - h2 | |
| - h3 | |
| - h4 | |
| - h5 | |
| - h6 | |
| - i | |
| - iframe | |
| - img | |
| - ins | |
| - interactive | |
| - kbd | |
| - li | |
| - map | |
| - mark | |
| - object | |
| - ol | |
| - p | |
| - param | |
| - picture | |
| - pre | |
| - q | |
| - rp | |
| - rt | |
| - ruby | |
| - s | |
| - samp | |
| - small | |
| - source | |
| - span | |
| - strong | |
| - sub | |
| - sup | |
| - table | |
| - time | |
| - track | |
| - u | |
| - ul | |
| - var | |
| - video | |
| - wbr | |
| audio: | |
| name: Audio | |
| description: 'The audio element is used to embed sound content in documents. It may contain one or more audio sources, represented using the src attribute or the source element.' | |
| level: block | |
| unique: false | |
| attributes: | |
| autoplay: | |
| description: 'When present, it specifies that the audio or video will automatically start playing as soon as it can do so without stopping.' | |
| type: boolean | |
| elements: | |
| - audio | |
| - video | |
| controls: | |
| description: 'When present, it specifies that audio or video controls should be displayed (such as play, pause, and volume).' | |
| type: boolean | |
| elements: | |
| - audio | |
| - video | |
| crossorigin: | |
| type: enum | |
| choices: | |
| - anonymous | |
| - use-credentials | |
| loop: | |
| description: 'When present, it specifies that the audio or video will start over again every time it is finished.' | |
| type: boolean | |
| elements: | |
| - audio | |
| - video | |
| muted: | |
| description: 'When present, it specifies that the audio output of the video should be muted.' | |
| type: boolean | |
| elements: | |
| - audio | |
| - video | |
| preload: | |
| type: enum | |
| choices: | |
| - auto | |
| - metadata | |
| - none | |
| src: | |
| description: 'Specifies the URL of the external resource to be embedded or referenced.' | |
| type: uri | |
| required: true | |
| elements: | |
| - audio | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - script | |
| - source | |
| - track | |
| - video | |
| text: string | |
| b: | |
| name: Bold | |
| description: 'The b element represents a span of text to which attention is being drawn for utilitarian purposes without conveying any extra importance and with no implication of an alternate voice or mood, such as key words in a document abstract, product names in a review, actionable words in interactive text-driven software, or an article lede.' | |
| level: inline | |
| unique: false | |
| text: string | |
| base: | |
| name: Base | |
| description: 'The base element specifies the base URL to use for all relative URLs in a document. There can be at maximum one <base> element in a document, and it must be inside the <head> element.' | |
| level: void | |
| unique_per_parent: true | |
| parent: head | |
| attributes: | |
| href: | |
| description: 'Specifies the URL of the linked resource. Special protocols such as mailto: or tel: can be used.' | |
| type: uri | |
| required: true | |
| elements: | |
| - a | |
| - area | |
| - base | |
| - link | |
| target: | |
| description: 'Specifies where to open the linked document.' | |
| type: enum | |
| defaultValue: _self | |
| choices: | |
| - _blank | |
| - _parent | |
| - _self | |
| - _top | |
| - framename | |
| elements: | |
| - a | |
| - area | |
| - base | |
| - form | |
| bdi: | |
| name: 'Bidirectional Isolation' | |
| description: 'The bdi element represents a span of text that is to be isolated from its surroundings for the purposes of bidirectional text formatting. (Bidirectional-isolate)' | |
| level: inline | |
| unique: false | |
| text: string | |
| bdo: | |
| name: 'Bidirectional Override' | |
| description: 'The bdo element represents explicit text directionality formatting control for its children. It allows authors to override the Unicode bidirectional algorithm by explicitly specifying a direction override.' | |
| level: inline | |
| unique: false | |
| text: string | |
| blockquote: | |
| name: Blockquote | |
| description: 'The blockquote element represents a section that is quoted from another source. Content inside a blockquote must be quoted from another source, whose address, if it has one, may be cited in the cite attribute.' | |
| level: block | |
| unique: false | |
| attributes: | |
| cite: | |
| description: 'Specifies the URL of the cited work or the name of the cited creative work.' | |
| type: uri | |
| elements: | |
| - blockquote | |
| - del | |
| - ins | |
| - q | |
| children: | |
| - p | |
| body: | |
| name: Body | |
| description: 'The body element represents the content of an HTML document. All the contents such as text, images, headings, links, tables, etc. are placed between the body tags.' | |
| level: block | |
| unique: true | |
| attributes: | |
| onafterprint: | |
| description: 'Fires after the associated document has started printing or the print preview has been closed.' | |
| type: script | |
| elements: | |
| - body | |
| onbeforeprint: | |
| description: 'Fires before the associated document is printed or previewed for printing.' | |
| type: script | |
| elements: | |
| - body | |
| onbeforeunload: | |
| description: 'Fires before the user navigates away from the page.' | |
| type: script | |
| elements: | |
| - body | |
| onhashchange: | |
| description: 'Fires when the fragment identifier part of the URL changes.' | |
| type: script | |
| elements: | |
| - body | |
| onlanguagechange: | |
| description: 'Fires when the user changes the preferred language of the user interface.' | |
| type: script | |
| elements: | |
| - body | |
| onmessage: | |
| description: 'Fires when a message is received from a different browsing context (e.g., an iframe).' | |
| type: script | |
| elements: | |
| - body | |
| onmessageerror: | |
| description: 'Fires when an error occurs while receiving a message from a different browsing context.' | |
| type: script | |
| elements: | |
| - body | |
| onoffline: | |
| description: 'Fires when the browser goes offline.' | |
| type: script | |
| elements: | |
| - body | |
| ononline: | |
| description: 'Fires when the browser goes online.' | |
| type: script | |
| elements: | |
| - body | |
| onpagehide: | |
| description: 'Fires when the user navigates away from a page.' | |
| type: script | |
| elements: | |
| - body | |
| onpageshow: | |
| description: 'Fires when the user navigates to a page.' | |
| type: script | |
| elements: | |
| - body | |
| onpopstate: | |
| description: "Fires when the user navigates through the history by clicking the browser's Back or Forward buttons." | |
| type: script | |
| elements: | |
| - body | |
| onrejectionhandled: | |
| description: 'Fires when a Promise is rejected and the rejection is handled by a Promise handler (e.g., catch).' | |
| type: script | |
| elements: | |
| - body | |
| onstorage: | |
| description: 'Fires when a storage area (e.g., localStorage or sessionStorage) changes.' | |
| type: script | |
| elements: | |
| - body | |
| onunhandledrejection: | |
| description: 'Fires when a Promise is rejected but there is no rejection handler (e.g., catch).' | |
| type: script | |
| elements: | |
| - body | |
| onunload: | |
| description: 'Fires when the user is navigating away from the page (similar to onbeforeunload).' | |
| type: script | |
| elements: | |
| - body | |
| children: | |
| - a | |
| - abbr | |
| - address | |
| - area | |
| - article | |
| - aside | |
| - audio | |
| - b | |
| - bdi | |
| - bdo | |
| - blockquote | |
| - br | |
| - button | |
| - canvas | |
| - cite | |
| - code | |
| - data | |
| - datalist | |
| - del | |
| - details | |
| - dfn | |
| - dialog | |
| - div | |
| - dl | |
| - em | |
| - embed | |
| - fieldset | |
| - figure | |
| - footer | |
| - form | |
| - h1 | |
| - h2 | |
| - h3 | |
| - h4 | |
| - h5 | |
| - h6 | |
| - header | |
| - hr | |
| - i | |
| - iframe | |
| - img | |
| - input | |
| - ins | |
| - kbd | |
| - label | |
| - main | |
| - map | |
| - mark | |
| - meter | |
| - nav | |
| - noscript | |
| - object | |
| - ol | |
| - output | |
| - p | |
| - picture | |
| - pre | |
| - progress | |
| - q | |
| - ruby | |
| - s | |
| - samp | |
| - script | |
| - section | |
| - select | |
| - small | |
| - span | |
| - strong | |
| - sub | |
| - sup | |
| - table | |
| - template | |
| - textarea | |
| - time | |
| - u | |
| - ul | |
| - var | |
| - video | |
| - wbr | |
| br: | |
| name: Break | |
| description: 'The br element represents a line break.' | |
| level: void | |
| unique: false | |
| attributes: | |
| clear: | |
| type: enum | |
| choices: | |
| - all | |
| - left | |
| - none | |
| - right | |
| button: | |
| name: Button | |
| description: 'The button element represents a clickable button, used to submit forms or anywhere in a document for accessible, standard button functionality.' | |
| level: inline | |
| unique: false | |
| attributes: | |
| autofocus: | |
| description: 'When present, it specifies that an element should automatically get focus when the page loads.' | |
| type: boolean | |
| elements: | |
| - a | |
| - area | |
| - button | |
| - details | |
| - iframe | |
| - input | |
| - object | |
| - select | |
| - textarea | |
| disabled: | |
| description: 'When present, it specifies that an input element should be disabled.' | |
| type: boolean | |
| elements: | |
| - button | |
| - fieldset | |
| - input | |
| - optgroup | |
| - option | |
| - select | |
| - textarea | |
| name: | |
| description: 'Specifies the name associated with the element. The meaning may vary depending on the context.' | |
| type: string | |
| elements: | |
| - a | |
| - button | |
| - fieldset | |
| - form | |
| - iframe | |
| - input | |
| - map | |
| - meta | |
| - object | |
| - param | |
| - select | |
| - textarea | |
| type: | |
| description: 'Specifies the media type of the linked resource.' | |
| type: enum | |
| elements: | |
| - a | |
| - area | |
| - button | |
| - input | |
| - link | |
| - object | |
| - script | |
| - source | |
| - style | |
| value: | |
| description: 'Specifies the value associated with the element. The meaning and usage may vary depending on the element type.' | |
| type: string | |
| elements: | |
| - button | |
| - input | |
| - li | |
| - meter | |
| - option | |
| - param | |
| - progress | |
| - select | |
| - textarea | |
| text: string | |
| canvas: | |
| name: Canvas | |
| description: 'The canvas element is used to draw graphics, on the fly, via scripting (usually JavaScript).' | |
| level: block | |
| unique: false | |
| attributes: | |
| height: | |
| description: 'Specifies the height of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| width: | |
| description: 'Specifies the width of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| text: string | |
| caption: | |
| name: Caption | |
| description: 'The caption element represents the title of the table that is its parent, if it has a parent and that is a table element.' | |
| level: block | |
| unique: false | |
| text: string | |
| unique_per_parent: true | |
| parent: table | |
| cite: | |
| name: Citation | |
| description: 'The cite element represents the title of a work (e.g. a book, a paper, an essay, a poem, a score, a song, a script, a film, a TV show, a game, a sculpture, a painting, a theatre production, a play, an opera, a musical, an exhibition, a legal case report, etc). This can be a work that is being quoted or referenced in detail (i.e. a citation), or it can just be a work that is mentioned in passing.' | |
| level: inline | |
| unique: false | |
| text: string | |
| code: | |
| name: Code | |
| description: 'The code element represents a fragment of computer code. This could be an XML element name, a filename, a computer program, or any other string that a computer would recognize.' | |
| level: inline | |
| unique: false | |
| text: string | |
| col: | |
| name: Column | |
| description: 'The col element represents a column in a table.' | |
| level: void | |
| unique: false | |
| parent: colgroup | |
| attributes: | |
| span: | |
| description: 'Specifies the number of columns the <col> element should span in a table.' | |
| type: integer | |
| elements: | |
| - col | |
| width: | |
| description: 'Specifies the width of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| colgroup: | |
| name: 'Column Group' | |
| description: 'The colgroup element represents a group of one or more columns in the table that is its parent, if it has a parent and that is a table element.' | |
| level: block | |
| unique: false | |
| children: | |
| - col | |
| data: | |
| name: Data | |
| description: 'The data element represents its contents, along with a machine-readable form of those contents in the value attribute.' | |
| level: inline | |
| unique: false | |
| attributes: | |
| value: | |
| description: 'Specifies the value associated with the element. The meaning and usage may vary depending on the element type.' | |
| type: string | |
| elements: | |
| - button | |
| - input | |
| - li | |
| - meter | |
| - option | |
| - param | |
| - progress | |
| - select | |
| - textarea | |
| text: string | |
| dd: | |
| name: 'Definition Description' | |
| description: 'The dd element represents the description, definition, or value, part of a term-description group in a description list (dl element).' | |
| level: block | |
| unique_per_parent: true | |
| parent: dl | |
| children: | |
| - a | |
| - abbr | |
| - area | |
| - audio | |
| - b | |
| - bdi | |
| - bdo | |
| - br | |
| - cite | |
| - code | |
| - data | |
| - dd | |
| - del | |
| - dfn | |
| - div | |
| - dl | |
| - dt | |
| - em | |
| - embed | |
| - figure | |
| - form | |
| - i | |
| - iframe | |
| - img | |
| - ins | |
| - interactive | |
| - kbd | |
| - li | |
| - map | |
| - mark | |
| - object | |
| - ol | |
| - p | |
| - param | |
| - picture | |
| - pre | |
| - q | |
| - rp | |
| - rt | |
| - ruby | |
| - s | |
| - samp | |
| - small | |
| - source | |
| - span | |
| - strong | |
| - sub | |
| - sup | |
| - table | |
| - time | |
| - track | |
| - u | |
| - ul | |
| - var | |
| - video | |
| - wbr | |
| del: | |
| name: 'Deleted Text' | |
| description: 'The del element represents a deletion from the document.' | |
| level: block | |
| unique: false | |
| attributes: | |
| cite: | |
| description: 'Specifies the URL of the cited work or the name of the cited creative work.' | |
| type: uri | |
| elements: | |
| - blockquote | |
| - del | |
| - ins | |
| - q | |
| datetime: | |
| description: "Specifies the date and time of the change in the format 'YYYY-MM-DDThh:mm:ss' or a subset of it." | |
| type: datetime | |
| elements: | |
| - del | |
| - ins | |
| - time | |
| text: string | |
| details: | |
| name: Details | |
| description: 'The details element represents a disclosure widget from which the user can obtain additional information or controls.' | |
| level: block | |
| unique: false | |
| attributes: | |
| open: | |
| description: 'When present, it specifies that the details should be visible (open) to the user.' | |
| type: boolean | |
| elements: | |
| - details | |
| children: | |
| - div | |
| - dl | |
| - form | |
| - li | |
| - ol | |
| - p | |
| - pre | |
| - summary | |
| - table | |
| - ul | |
| dfn: | |
| name: Definition | |
| description: 'The dfn element represents the defining instance of a term.' | |
| level: inline | |
| unique: false | |
| text: string | |
| dialog: | |
| name: Dialog | |
| description: 'The dialog element represents a part of an application that a user interacts with to perform a task, for example a dialog box, inspector, or window.' | |
| level: block | |
| unique: false | |
| attributes: | |
| open: | |
| description: 'When present, it specifies that the details should be visible (open) to the user.' | |
| type: boolean | |
| elements: | |
| - details | |
| children: | |
| - button | |
| - div | |
| - dl | |
| - form | |
| - heading | |
| - interactive | |
| - li | |
| - ol | |
| - p | |
| - pre | |
| - table | |
| - ul | |
| div: | |
| name: Division | |
| description: 'The div element has no special meaning at all. It represents its children. It can be used with the class, lang, and title attributes to mark up semantics common to a group of consecutive elements.' | |
| level: block | |
| unique: false | |
| children: | |
| - a | |
| - abbr | |
| - area | |
| - audio | |
| - b | |
| - bdi | |
| - bdo | |
| - br | |
| - cite | |
| - code | |
| - data | |
| - dd | |
| - del | |
| - dfn | |
| - div | |
| - dl | |
| - dt | |
| - em | |
| - embed | |
| - figure | |
| - form | |
| - h1 | |
| - h2 | |
| - h3 | |
| - h4 | |
| - h5 | |
| - h6 | |
| - i | |
| - iframe | |
| - img | |
| - ins | |
| - interactive | |
| - kbd | |
| - li | |
| - map | |
| - mark | |
| - object | |
| - ol | |
| - p | |
| - param | |
| - picture | |
| - pre | |
| - q | |
| - rp | |
| - rt | |
| - ruby | |
| - s | |
| - samp | |
| - small | |
| - source | |
| - span | |
| - strong | |
| - sub | |
| - sup | |
| - table | |
| - time | |
| - track | |
| - u | |
| - ul | |
| - var | |
| - video | |
| - wbr | |
| dl: | |
| name: 'Definition List' | |
| description: 'The dl element represents an association list consisting of zero or more name-value groups (a description list). Each group must consist of one or more names (dt elements) followed by one or more values (dd elements). Within a single dl element, there should not be more than one dt element for each name.' | |
| level: block | |
| unique: false | |
| children: | |
| - dd | |
| - dt | |
| dt: | |
| name: 'Definition Term' | |
| description: 'The dt element represents the term, or name, part of a term-description group in a description list (dl element).' | |
| level: block | |
| unique_per_parent: true | |
| parent: dl | |
| text: string | |
| em: | |
| name: Emphasis | |
| description: 'The em element represents stress emphasis of its contents.' | |
| level: inline | |
| unique: false | |
| text: string | |
| embed: | |
| name: Embed | |
| description: 'The embed element provides an integration point for an external (typically non-HTML) application or interactive content.' | |
| level: block | |
| unique: false | |
| attributes: | |
| height: | |
| description: 'Specifies the height of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| src: | |
| description: 'Specifies the URL of the external resource to be embedded or referenced.' | |
| type: uri | |
| required: true | |
| elements: | |
| - audio | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - script | |
| - source | |
| - track | |
| - video | |
| type: | |
| description: 'Specifies the media type of the linked resource.' | |
| type: enum | |
| elements: | |
| - a | |
| - area | |
| - button | |
| - input | |
| - link | |
| - object | |
| - script | |
| - source | |
| - style | |
| width: | |
| description: 'Specifies the width of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| fieldset: | |
| name: Fieldset | |
| description: 'The fieldset element represents a set of form controls optionally grouped under a common name.' | |
| level: block | |
| unique: false | |
| children: | |
| - button | |
| - datalist | |
| - input | |
| - label | |
| - legend | |
| - meter | |
| - output | |
| - progress | |
| - select | |
| - textarea | |
| figcaption: | |
| name: 'Figure Caption' | |
| description: 'The figcaption element represents a caption or a legend associated with a figure or an illustration described by the rest of the data of the figure element. The figcaption element can be placed as the first or the last child of a parent figure element.' | |
| level: block | |
| unique: false | |
| unique_per_parent: true | |
| parent: figure | |
| text: string | |
| figure: | |
| name: Figure | |
| description: 'The figure element represents self-contained content, potentially with an optional caption, which is specified using the (optional) figcaption element.' | |
| level: block | |
| unique: false | |
| children: | |
| - figcaption | |
| - img | |
| footer: | |
| name: Footer | |
| description: 'The footer element represents a container for the bottom section of a document or a section, typically containing information about the author, copyright information, and links to related documents.' | |
| level: block | |
| unique: false | |
| children: | |
| - a | |
| - abbr | |
| - area | |
| - audio | |
| - b | |
| - bdi | |
| - bdo | |
| - br | |
| - cite | |
| - code | |
| - data | |
| - dd | |
| - del | |
| - dfn | |
| - div | |
| - dl | |
| - dt | |
| - em | |
| - embed | |
| - figcaption | |
| - figure | |
| - h1 | |
| - h2 | |
| - h3 | |
| - h4 | |
| - h5 | |
| - h6 | |
| - i | |
| - iframe | |
| - img | |
| - ins | |
| - interactive | |
| - kbd | |
| - li | |
| - map | |
| - mark | |
| - object | |
| - ol | |
| - p | |
| - param | |
| - picture | |
| - pre | |
| - q | |
| - rp | |
| - rt | |
| - ruby | |
| - s | |
| - samp | |
| - small | |
| - source | |
| - span | |
| - strong | |
| - sub | |
| - sup | |
| - table | |
| - time | |
| - track | |
| - u | |
| - ul | |
| - var | |
| - video | |
| - wbr | |
| form: | |
| name: Form | |
| description: 'The form element represents a section of a document containing interactive controls for submitting information to a web server.' | |
| level: block | |
| unique: false | |
| attributes: | |
| accept-charset: | |
| description: 'Specifies the character encodings that are to be used for form submission.' | |
| type: string | |
| elements: | |
| - form | |
| action: | |
| description: 'Specifies the URL where the form data should be submitted when the form is submitted.' | |
| type: string | |
| elements: | |
| - form | |
| autocomplete: | |
| type: enum | |
| choices: | |
| - 'off' | |
| - 'on' | |
| enctype: | |
| type: enum | |
| choices: | |
| - application/x-www-form-urlencoded | |
| - multipart/form-data | |
| - text/plain | |
| method: | |
| type: enum | |
| choices: | |
| - get | |
| - post | |
| name: | |
| description: 'Specifies the name associated with the element. The meaning may vary depending on the context.' | |
| type: string | |
| elements: | |
| - a | |
| - button | |
| - fieldset | |
| - form | |
| - iframe | |
| - input | |
| - map | |
| - meta | |
| - object | |
| - param | |
| - select | |
| - textarea | |
| novalidate: | |
| description: 'When present, it specifies that a form should not be validated when submitted.' | |
| type: boolean | |
| elements: | |
| - form | |
| target: | |
| description: 'Specifies where to open the linked document.' | |
| type: enum | |
| defaultValue: _self | |
| choices: | |
| - _blank | |
| - _parent | |
| - _self | |
| - _top | |
| - framename | |
| elements: | |
| - a | |
| - area | |
| - base | |
| - form | |
| children: | |
| - button | |
| - canvas | |
| - datalist | |
| - details | |
| - dialog | |
| - fieldset | |
| - input | |
| - label | |
| - legend | |
| - meter | |
| - noscript | |
| - output | |
| - progress | |
| - script | |
| - select | |
| - slot | |
| - summary | |
| - template | |
| - textarea | |
| h1: | |
| name: 'Heading 1' | |
| description: 'The h1 element represents a section heading. It has the highest rank among the six levels of section headings.' | |
| level: block | |
| text: string | |
| unique: false | |
| h2: | |
| name: 'Heading 2' | |
| description: 'The h2 element represents a section heading. It has the second highest rank among the six levels of section headings.' | |
| level: block | |
| text: string | |
| unique: false | |
| h3: | |
| name: 'Heading 3' | |
| description: 'The h3 element represents a section heading. It has the third highest rank among the six levels of section headings.' | |
| level: block | |
| text: string | |
| unique: false | |
| h4: | |
| name: 'Heading 4' | |
| description: 'The h4 element represents a section heading. It has the fourth highest rank among the six levels of section headings.' | |
| level: block | |
| text: string | |
| unique: false | |
| h5: | |
| name: 'Heading 5' | |
| description: 'The h5 element represents a section heading. It has the fifth highest rank among the six levels of section headings.' | |
| level: block | |
| text: string | |
| unique: false | |
| h6: | |
| name: 'Heading 6' | |
| description: 'The h6 element represents a section heading. It has the lowest rank among the six levels of section headings.' | |
| level: block | |
| text: string | |
| unique: false | |
| head: | |
| name: Head | |
| description: 'The head element contains meta-information about the HTML document, including its title and links to its scripts and stylesheets.' | |
| level: void | |
| unique_per_parent: true | |
| parent: html | |
| children: | |
| - base | |
| - link | |
| - meta | |
| - noscript | |
| - script | |
| - style | |
| - title | |
| header: | |
| name: Header | |
| description: "The header element represents a container for introductory content or a set of navigational links. It typically contains the section's heading (an h1–h6 element or an hgroup element), but can also contain other content such as a table of contents, a search form, or any relevant logos." | |
| level: block | |
| unique: false | |
| children: | |
| - a | |
| - abbr | |
| - area | |
| - audio | |
| - b | |
| - bdi | |
| - bdo | |
| - br | |
| - cite | |
| - code | |
| - data | |
| - dd | |
| - del | |
| - dfn | |
| - div | |
| - dl | |
| - dt | |
| - em | |
| - embed | |
| - figcaption | |
| - figure | |
| - form | |
| - h1 | |
| - h2 | |
| - h3 | |
| - h4 | |
| - h5 | |
| - h6 | |
| - i | |
| - iframe | |
| - img | |
| - ins | |
| - interactive | |
| - kbd | |
| - li | |
| - map | |
| - mark | |
| - object | |
| - ol | |
| - p | |
| - param | |
| - picture | |
| - pre | |
| - q | |
| - rp | |
| - rt | |
| - ruby | |
| - s | |
| - samp | |
| - small | |
| - source | |
| - span | |
| - strong | |
| - sub | |
| - sup | |
| - table | |
| - time | |
| - track | |
| - u | |
| - ul | |
| - var | |
| - video | |
| - wbr | |
| hgroup: | |
| name: 'Headings Group' | |
| description: 'The hgroup element represents a multi-level heading for a section of a document. It groups a set of h1–h6 elements.' | |
| level: block | |
| unique: false | |
| children: | |
| - h1 | |
| - h2 | |
| - h3 | |
| - h4 | |
| - h5 | |
| - h6 | |
| hr: | |
| name: 'Horizontal Rule' | |
| description: 'The hr element represents a thematic break between paragraph-level elements. It is typically a horizontal rule or line.' | |
| level: block | |
| attributes: | |
| align: | |
| description: 'Specifies the horizontal alignment of the element.' | |
| type: enum | |
| choices: | |
| - center | |
| - justify | |
| - left | |
| - right | |
| elements: | |
| - caption | |
| - col | |
| - colgroup | |
| - hr | |
| - iframe | |
| - img | |
| - table | |
| - tbody | |
| - td | |
| - tfoot | |
| - th | |
| - thead | |
| - tr | |
| color: | |
| type: color | |
| noshade: | |
| type: boolean | |
| size: | |
| description: 'Specifies the height of a hr element in pixels.' | |
| type: integer | |
| elements: | |
| - hr | |
| width: | |
| description: 'Specifies the width of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| html: | |
| name: HTML | |
| description: 'The root element of an HTML document. It represents the top-level of the HTML structure.' | |
| level: block | |
| unique: true | |
| attributes: | |
| manifest: | |
| description: "Specifies the address of the document's cache manifest." | |
| type: uri | |
| elements: | |
| - html | |
| children: | |
| - body | |
| - head | |
| i: | |
| name: Italic | |
| description: 'The i element represents a span of text in an alternate voice or mood, or otherwise offset from the normal prose, such as a taxonomic designation, a technical term, an idiomatic phrase from another language, a thought, or a ship name in Western texts.' | |
| level: inline | |
| unique: false | |
| text: string | |
| iframe: | |
| name: 'Inline Frame' | |
| description: 'The iframe element represents a nested browsing context, effectively embedding another HTML page into the current page.' | |
| level: block | |
| unique: false | |
| attributes: | |
| allowfullscreen: | |
| description: 'Enables the iframe to be displayed in fullscreen mode.' | |
| type: boolean | |
| elements: | |
| - iframe | |
| height: | |
| description: 'Specifies the height of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| name: | |
| description: 'Specifies the name associated with the element. The meaning may vary depending on the context.' | |
| type: string | |
| elements: | |
| - a | |
| - button | |
| - fieldset | |
| - form | |
| - iframe | |
| - input | |
| - map | |
| - meta | |
| - object | |
| - param | |
| - select | |
| - textarea | |
| referrerpolicy: | |
| description: 'Specifies the referrer policy for fetches initiated by the element.' | |
| type: enum | |
| choices: | |
| - no-referrer | |
| - no-referrer-when-downgrade | |
| - origin | |
| - origin-when-cross-origin | |
| - same-origin | |
| - strict-origin | |
| - strict-origin-when-cross-origin | |
| - unsafe-url | |
| elements: | |
| - a | |
| - area | |
| - iframe | |
| - img | |
| - link | |
| sandbox: | |
| type: string | |
| seamless: | |
| description: 'When present, it specifies that the iframe should look like it is a part of the containing document (no borders or scrollbars).' | |
| type: boolean | |
| elements: | |
| - iframe | |
| src: | |
| description: 'Specifies the URL of the external resource to be embedded or referenced.' | |
| type: uri | |
| required: true | |
| elements: | |
| - audio | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - script | |
| - source | |
| - track | |
| - video | |
| srcdoc: | |
| type: string | |
| width: | |
| description: 'Specifies the width of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| img: | |
| name: Image | |
| description: 'The img element represents an image.' | |
| level: inline | |
| unique: false | |
| attributes: | |
| alt: | |
| description: 'Specifies alternative text to be displayed when the image cannot be rendered.' | |
| type: string | |
| required: true | |
| elements: | |
| - area | |
| - img | |
| crossorigin: | |
| type: enum | |
| choices: | |
| - anonymous | |
| - use-credentials | |
| decoding: | |
| description: 'Specifies the decoding process applied to the image.' | |
| type: enum | |
| choices: | |
| - async | |
| - auto | |
| - sync | |
| elements: | |
| - img | |
| height: | |
| description: 'Specifies the height of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| ismap: | |
| description: 'Specifies that an area should be part of an image map.' | |
| type: boolean | |
| elements: | |
| - area | |
| referrerpolicy: | |
| description: 'Specifies the referrer policy for fetches initiated by the element.' | |
| type: enum | |
| choices: | |
| - no-referrer | |
| - no-referrer-when-downgrade | |
| - origin | |
| - origin-when-cross-origin | |
| - same-origin | |
| - strict-origin | |
| - strict-origin-when-cross-origin | |
| - unsafe-url | |
| elements: | |
| - a | |
| - area | |
| - iframe | |
| - img | |
| - link | |
| sizes: | |
| description: 'Specifies the sizes of the images or icons for different display/window sizes.' | |
| type: string | |
| elements: | |
| - img | |
| - link | |
| - source | |
| src: | |
| description: 'Specifies the URL of the external resource to be embedded or referenced.' | |
| type: uri | |
| required: true | |
| elements: | |
| - audio | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - script | |
| - source | |
| - track | |
| - video | |
| srcset: | |
| description: 'Specifies a set of image candidate URLs and descriptors for responsive images.' | |
| type: string | |
| elements: | |
| - img | |
| - source | |
| usemap: | |
| description: 'Specifies a client-side image map to be used with the element.' | |
| type: string | |
| elements: | |
| - img | |
| - object | |
| width: | |
| description: 'Specifies the width of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| input: | |
| name: Input | |
| description: 'The input element represents a typed data field, usually with a form control to allow user input.' | |
| level: inline | |
| unique: false | |
| attributes: | |
| accept: | |
| description: 'Specifies a comma-separated list of file types that the server accepts.' | |
| type: string | |
| elements: | |
| - form | |
| - input | |
| alt: | |
| description: 'Specifies alternative text to be displayed when the image cannot be rendered.' | |
| type: string | |
| required: true | |
| elements: | |
| - area | |
| - img | |
| autocomplete: | |
| type: enum | |
| choices: | |
| - 'off' | |
| - 'on' | |
| checked: | |
| description: 'When present, it indicates that an input element should be pre-selected (checked) when the page loads.' | |
| type: boolean | |
| elements: | |
| - input | |
| dirname: | |
| description: 'Specifies the direction of the text.' | |
| type: string | |
| elements: | |
| - input | |
| - textarea | |
| disabled: | |
| description: 'When present, it specifies that an input element should be disabled.' | |
| type: boolean | |
| elements: | |
| - button | |
| - fieldset | |
| - input | |
| - optgroup | |
| - option | |
| - select | |
| - textarea | |
| height: | |
| description: 'Specifies the height of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| list: | |
| description: 'Refers to a <datalist> element that contains pre-defined options for an input element.' | |
| type: string | |
| elements: | |
| - input | |
| max: | |
| description: 'Specifies the maximum value for an input element, meter, or progress element.' | |
| type: integer | |
| elements: | |
| - input | |
| - meter | |
| - progress | |
| maxlength: | |
| description: 'Specifies the maximum number of characters allowed in an input field.' | |
| type: integer | |
| elements: | |
| - input | |
| - textarea | |
| min: | |
| description: 'Specifies the minimum value for an input element or a meter element.' | |
| type: string | |
| elements: | |
| - input | |
| - meter | |
| minlength: | |
| description: 'Specifies the minimum number of characters required in an input field.' | |
| type: integer | |
| elements: | |
| - input | |
| - textarea | |
| multiple: | |
| description: 'When present, it specifies that the user is allowed to enter more than one value in an input element.' | |
| type: boolean | |
| elements: | |
| - input | |
| - select | |
| - textarea | |
| name: | |
| description: 'Specifies the name associated with the element. The meaning may vary depending on the context.' | |
| type: string | |
| elements: | |
| - a | |
| - button | |
| - fieldset | |
| - form | |
| - iframe | |
| - input | |
| - map | |
| - meta | |
| - object | |
| - param | |
| - select | |
| - textarea | |
| pattern: | |
| description: "Specifies a regular expression that the <input> element's value is checked against." | |
| type: string | |
| elements: | |
| - input | |
| placeholder: | |
| description: 'Specifies a short hint that describes the expected value of an input field.' | |
| type: string | |
| elements: | |
| - input | |
| - textarea | |
| readonly: | |
| description: 'When present, it specifies that an input element is read-only.' | |
| type: boolean | |
| elements: | |
| - input | |
| - textarea | |
| required: | |
| description: 'When present, it specifies that an input field must be filled out before submitting the form.' | |
| type: boolean | |
| elements: | |
| - input | |
| - select | |
| - textarea | |
| size: | |
| description: 'Specifies the height of a hr element in pixels.' | |
| type: integer | |
| elements: | |
| - hr | |
| src: | |
| description: 'Specifies the URL of the external resource to be embedded or referenced.' | |
| type: uri | |
| required: true | |
| elements: | |
| - audio | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - script | |
| - source | |
| - track | |
| - video | |
| step: | |
| description: 'Specifies the legal number intervals for an input element.' | |
| type: string | |
| elements: | |
| - input | |
| type: | |
| description: 'Specifies the media type of the linked resource.' | |
| type: enum | |
| elements: | |
| - a | |
| - area | |
| - button | |
| - input | |
| - link | |
| - object | |
| - script | |
| - source | |
| - style | |
| value: | |
| description: 'Specifies the value associated with the element. The meaning and usage may vary depending on the element type.' | |
| type: string | |
| elements: | |
| - button | |
| - input | |
| - li | |
| - meter | |
| - option | |
| - param | |
| - progress | |
| - select | |
| - textarea | |
| width: | |
| description: 'Specifies the width of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| ins: | |
| name: 'Inserted Text' | |
| description: 'The ins element represents an addition to the document.' | |
| level: block | |
| unique: false | |
| attributes: | |
| cite: | |
| description: 'Specifies the URL of the cited work or the name of the cited creative work.' | |
| type: uri | |
| elements: | |
| - blockquote | |
| - del | |
| - ins | |
| - q | |
| datetime: | |
| description: "Specifies the date and time of the change in the format 'YYYY-MM-DDThh:mm:ss' or a subset of it." | |
| type: datetime | |
| elements: | |
| - del | |
| - ins | |
| - time | |
| text: string | |
| kbd: | |
| name: 'Keyboard Input' | |
| description: 'The kbd element represents user input (typically keyboard input, although it may also be used to represent other input methods, such as voice commands).' | |
| level: inline | |
| unique: false | |
| text: string | |
| label: | |
| name: Label | |
| description: "The label element represents a caption in a user interface. The caption can be associated with a specific form control, known as the label element's labeled control, either using the for attribute, or by putting the form control inside the label element itself." | |
| level: inline | |
| unique: false | |
| attributes: | |
| for: | |
| description: 'Refers to the <datalist> element that contains the options for an input element.' | |
| type: string | |
| elements: | |
| - label | |
| - output | |
| children: | |
| - text | |
| legend: | |
| name: Legend | |
| description: 'The legend element represents a caption for the content of its parent fieldset.' | |
| level: block | |
| unique_per_parent: true | |
| parent: fieldset | |
| attributes: | |
| text: | |
| description: 'Specifies the default value of the <textarea> element.' | |
| type: string | |
| elements: | |
| - textarea | |
| li: | |
| name: 'List Item' | |
| description: "The li element represents a list item. If its parent element is an ol, ul, or menu, then the element is an item of the parent element's list, as defined for those elements. Otherwise, the list item has no defined list-related semantics." | |
| level: block | |
| unique_per_parent: true | |
| parent: 'ol | ul' | |
| attributes: | |
| value: | |
| description: 'Specifies the value associated with the element. The meaning and usage may vary depending on the element type.' | |
| type: string | |
| elements: | |
| - button | |
| - input | |
| - li | |
| - meter | |
| - option | |
| - param | |
| - progress | |
| - select | |
| - textarea | |
| children: | |
| - a | |
| - abbr | |
| - cite | |
| - code | |
| - data | |
| - dfn | |
| - div | |
| - dl | |
| - em | |
| - figure | |
| - i | |
| - kbd | |
| - ol | |
| - p | |
| - pre | |
| - q | |
| - s | |
| - samp | |
| - small | |
| - strong | |
| - sub | |
| - sup | |
| - time | |
| - u | |
| - ul | |
| - var | |
| link: | |
| name: Link | |
| description: 'The link element defines a link between a document and an external resource. It is used to link to external stylesheets.' | |
| level: void | |
| unique: false | |
| attributes: | |
| crossorigin: | |
| type: enum | |
| choices: | |
| - anonymous | |
| - use-credentials | |
| href: | |
| description: 'Specifies the URL of the linked resource. Special protocols such as mailto: or tel: can be used.' | |
| type: uri | |
| required: true | |
| elements: | |
| - a | |
| - area | |
| - base | |
| - link | |
| hreflang: | |
| description: 'Specifies the language of the linked resource.' | |
| type: language_iso | |
| defaultValue: en | |
| elements: | |
| - a | |
| - area | |
| - link | |
| integrity: | |
| description: 'Specifies the integrity value of a resource.' | |
| type: string | |
| elements: | |
| - link | |
| - script | |
| media: | |
| description: 'Specifies the media type for which the linked resource or style sheet is intended.' | |
| type: string | |
| elements: | |
| - link | |
| - source | |
| - style | |
| referrerpolicy: | |
| description: 'Specifies the referrer policy for fetches initiated by the element.' | |
| type: enum | |
| choices: | |
| - no-referrer | |
| - no-referrer-when-downgrade | |
| - origin | |
| - origin-when-cross-origin | |
| - same-origin | |
| - strict-origin | |
| - strict-origin-when-cross-origin | |
| - unsafe-url | |
| elements: | |
| - a | |
| - area | |
| - iframe | |
| - img | |
| - link | |
| rel: | |
| description: 'Specifies the relationship between the current document and the linked document.' | |
| type: enum | |
| choices: | |
| - alternate | |
| - author | |
| - bookmark | |
| - canonical | |
| - help | |
| - icon | |
| - license | |
| - next | |
| - nofollow | |
| - noreferrer | |
| - prefetch | |
| - prev | |
| - search | |
| - stylesheet | |
| - tag | |
| elements: | |
| - a | |
| - area | |
| - link | |
| sizes: | |
| description: 'Specifies the sizes of the images or icons for different display/window sizes.' | |
| type: string | |
| elements: | |
| - img | |
| - link | |
| - source | |
| type: | |
| description: 'Specifies the media type of the linked resource.' | |
| type: enum | |
| elements: | |
| - a | |
| - area | |
| - button | |
| - input | |
| - link | |
| - object | |
| - script | |
| - source | |
| - style | |
| main: | |
| name: Main | |
| description: 'The main element represents the dominant content of the body of a document. The main content area consists of content that is directly related to or expands upon the central topic of a document, or the central functionality of an application.' | |
| level: block | |
| unique: true | |
| children: | |
| - a | |
| - abbr | |
| - area | |
| - audio | |
| - b | |
| - bdi | |
| - bdo | |
| - br | |
| - cite | |
| - code | |
| - data | |
| - dd | |
| - del | |
| - dfn | |
| - div | |
| - dl | |
| - dt | |
| - em | |
| - embed | |
| - figure | |
| - form | |
| - h1 | |
| - h2 | |
| - h3 | |
| - h4 | |
| - h5 | |
| - h6 | |
| - i | |
| - iframe | |
| - img | |
| - ins | |
| - interactive | |
| - kbd | |
| - li | |
| - map | |
| - mark | |
| - object | |
| - ol | |
| - p | |
| - param | |
| - picture | |
| - pre | |
| - q | |
| - rp | |
| - rt | |
| - ruby | |
| - s | |
| - samp | |
| - small | |
| - source | |
| - span | |
| - strong | |
| - sub | |
| - sup | |
| - table | |
| - time | |
| - track | |
| - u | |
| - ul | |
| - var | |
| - video | |
| - wbr | |
| map: | |
| name: Map | |
| description: 'The map element, in conjunction with an img element and any area element descendants, defines an image map. The element represents a related collection of map areas.' | |
| level: block | |
| unique: false | |
| attributes: | |
| name: | |
| description: 'Specifies the name associated with the element. The meaning may vary depending on the context.' | |
| type: string | |
| elements: | |
| - a | |
| - button | |
| - fieldset | |
| - form | |
| - iframe | |
| - input | |
| - map | |
| - meta | |
| - object | |
| - param | |
| - select | |
| - textarea | |
| children: | |
| - area | |
| mark: | |
| name: 'Marked Text' | |
| description: "The mark element represents a run of text in one document marked or highlighted for reference or notation purposes, due to the marked passage's relevance or importance in the enclosing context." | |
| level: inline | |
| unique: false | |
| children: | |
| - area | |
| - audio | |
| - bdi | |
| - bdo | |
| - br | |
| - del | |
| - embed | |
| - form | |
| - iframe | |
| - img | |
| - ins | |
| - interactive | |
| - map | |
| - object | |
| - param | |
| - picture | |
| - rp | |
| - rt | |
| - ruby | |
| - source | |
| - span | |
| - table | |
| - track | |
| - video | |
| - wbr | |
| meta: | |
| name: Meta | |
| description: 'The meta element provides metadata about the HTML document. Metadata will not be displayed on the page, but is machine-readable.' | |
| level: void | |
| unique: false | |
| attributes: | |
| charset: | |
| description: 'Specifies the character encoding for the resource.' | |
| type: string | |
| elements: | |
| - link | |
| - meta | |
| - script | |
| content: | |
| description: 'Specifies the value associated with the http-equiv or name attribute.' | |
| type: string | |
| elements: | |
| - meta | |
| http-equiv: | |
| description: 'Provides an HTTP header for the information/value of the content attribute.' | |
| type: enum | |
| choices: | |
| - content-language | |
| - content-type | |
| - default-style | |
| - refresh | |
| elements: | |
| - meta | |
| name: | |
| description: 'Specifies the name associated with the element. The meaning may vary depending on the context.' | |
| type: string | |
| elements: | |
| - a | |
| - button | |
| - fieldset | |
| - form | |
| - iframe | |
| - input | |
| - map | |
| - meta | |
| - object | |
| - param | |
| - select | |
| - textarea | |
| scheme: | |
| description: 'Specifies the content type of the value attribute when the http-equiv attribute is used.' | |
| type: string | |
| elements: | |
| - meta | |
| meter: | |
| name: Meter | |
| description: 'The meter element represents a scalar measurement within a known range, or a fractional value.' | |
| level: inline | |
| unique: false | |
| attributes: | |
| high: | |
| description: 'Specifies the high value for a range input or a meter element.' | |
| type: string | |
| elements: | |
| - input | |
| - meter | |
| low: | |
| description: 'Specifies the low value for a range input.' | |
| type: string | |
| elements: | |
| - input | |
| - meter | |
| max: | |
| description: 'Specifies the maximum value for an input element, meter, or progress element.' | |
| type: integer | |
| elements: | |
| - input | |
| - meter | |
| - progress | |
| min: | |
| description: 'Specifies the minimum value for an input element or a meter element.' | |
| type: string | |
| elements: | |
| - input | |
| - meter | |
| optimum: | |
| description: 'Specifies the optimal value for a gauge or progress element.' | |
| type: string | |
| elements: | |
| - meter | |
| - progress | |
| value: | |
| description: 'Specifies the value associated with the element. The meaning and usage may vary depending on the element type.' | |
| type: string | |
| elements: | |
| - button | |
| - input | |
| - li | |
| - meter | |
| - option | |
| - param | |
| - progress | |
| - select | |
| - textarea | |
| nav: | |
| name: Navigation | |
| description: 'The nav element represents a section of a page whose purpose is to provide navigation links, either within the current document or to other documents.' | |
| level: block | |
| children: | |
| - a | |
| - cite | |
| - em | |
| - q | |
| - s | |
| - small | |
| - strong | |
| noscript: | |
| name: NoScript | |
| description: "The noscript element defines an alternate content for users that have disabled scripts in their browser or have a browser that doesn't support script." | |
| level: block | |
| unique: false | |
| children: | |
| - link | |
| - meta | |
| - style | |
| - text | |
| object: | |
| name: Object | |
| description: 'The object element represents an external resource, which can be treated as an image, a nested browsing context, or a resource to be handled by a plugin.' | |
| level: block | |
| unique: false | |
| attributes: | |
| data: | |
| description: 'Specifies the address of the external data that the object requires.' | |
| type: string | |
| elements: | |
| - object | |
| height: | |
| description: 'Specifies the height of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| name: | |
| description: 'Specifies the name associated with the element. The meaning may vary depending on the context.' | |
| type: string | |
| elements: | |
| - a | |
| - button | |
| - fieldset | |
| - form | |
| - iframe | |
| - input | |
| - map | |
| - meta | |
| - object | |
| - param | |
| - select | |
| - textarea | |
| type: | |
| description: 'Specifies the media type of the linked resource.' | |
| type: enum | |
| elements: | |
| - a | |
| - area | |
| - button | |
| - input | |
| - link | |
| - object | |
| - script | |
| - source | |
| - style | |
| usemap: | |
| description: 'Specifies a client-side image map to be used with the element.' | |
| type: string | |
| elements: | |
| - img | |
| - object | |
| width: | |
| description: 'Specifies the width of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| ol: | |
| name: 'Ordered List' | |
| description: 'The ol element represents an ordered list of items. The order of the list is meaningful.' | |
| level: block | |
| unique: false | |
| attributes: | |
| reversed: | |
| description: 'When present, it specifies that the list order should be descending (9,8,7...).' | |
| type: boolean | |
| elements: | |
| - ol | |
| start: | |
| description: 'Specifies the starting value of an ordered list.' | |
| type: integer | |
| elements: | |
| - ol | |
| type: | |
| description: 'Specifies the media type of the linked resource.' | |
| type: enum | |
| elements: | |
| - a | |
| - area | |
| - button | |
| - input | |
| - link | |
| - object | |
| - script | |
| - source | |
| - style | |
| children: | |
| - li | |
| optgroup: | |
| name: 'Option Group' | |
| description: 'The optgroup element represents a group of option elements with a common label.' | |
| level: block | |
| unique: false | |
| parent: select | |
| attributes: | |
| disabled: | |
| description: 'When present, it specifies that an input element should be disabled.' | |
| type: boolean | |
| elements: | |
| - button | |
| - fieldset | |
| - input | |
| - optgroup | |
| - option | |
| - select | |
| - textarea | |
| label: | |
| description: 'Specifies a label for the associated form control, option group, or option.' | |
| type: string | |
| elements: | |
| - label | |
| - optgroup | |
| - option | |
| children: | |
| - option | |
| option: | |
| name: Option | |
| description: 'The option element represents an item in a select dropdown list.' | |
| level: block | |
| unique: false | |
| parent: 'select | optgroup' | |
| attributes: | |
| disabled: | |
| description: 'When present, it specifies that an input element should be disabled.' | |
| type: boolean | |
| elements: | |
| - button | |
| - fieldset | |
| - input | |
| - optgroup | |
| - option | |
| - select | |
| - textarea | |
| dummy: | |
| type: string | |
| label: | |
| description: 'Specifies a label for the associated form control, option group, or option.' | |
| type: string | |
| elements: | |
| - label | |
| - optgroup | |
| - option | |
| selected: | |
| description: 'When present, it specifies that an option should be pre-selected when the page loads.' | |
| type: boolean | |
| elements: | |
| - option | |
| value: | |
| description: 'Specifies the value associated with the element. The meaning and usage may vary depending on the element type.' | |
| type: string | |
| elements: | |
| - button | |
| - input | |
| - li | |
| - meter | |
| - option | |
| - param | |
| - progress | |
| - select | |
| - textarea | |
| output: | |
| name: Output | |
| description: 'The output element represents the result of a calculation or user action.' | |
| level: inline | |
| unique: false | |
| attributes: | |
| for: | |
| description: 'Refers to the <datalist> element that contains the options for an input element.' | |
| type: string | |
| elements: | |
| - label | |
| - output | |
| p: | |
| name: Paragraph | |
| description: 'The p element represents a paragraph.' | |
| level: block | |
| unique: false | |
| text: string | |
| param: | |
| name: Parameter | |
| description: 'The param element defines parameters for an object element.' | |
| level: void | |
| unique: false | |
| attributes: | |
| name: | |
| description: 'Specifies the name associated with the element. The meaning may vary depending on the context.' | |
| type: string | |
| elements: | |
| - a | |
| - button | |
| - fieldset | |
| - form | |
| - iframe | |
| - input | |
| - map | |
| - meta | |
| - object | |
| - param | |
| - select | |
| - textarea | |
| value: | |
| description: 'Specifies the value associated with the element. The meaning and usage may vary depending on the element type.' | |
| type: string | |
| elements: | |
| - button | |
| - input | |
| - li | |
| - meter | |
| - option | |
| - param | |
| - progress | |
| - select | |
| - textarea | |
| picture: | |
| name: Picture | |
| description: 'The picture element contains zero or more source elements and one img element to offer alternative versions of an image for different display/device scenarios.' | |
| level: block | |
| unique: false | |
| children: | |
| - img | |
| - source | |
| pre: | |
| name: 'Preformatted Text' | |
| description: 'The pre element represents preformatted text. Text within this element is typically displayed in a non-proportional font exactly as it is laid out in the file.' | |
| level: block | |
| unique: false | |
| text: string | |
| progress: | |
| name: Progress | |
| description: 'The progress element represents the completion progress of a task.' | |
| level: inline | |
| unique: false | |
| attributes: | |
| max: | |
| description: 'Specifies the maximum value for an input element, meter, or progress element.' | |
| type: integer | |
| elements: | |
| - input | |
| - meter | |
| - progress | |
| value: | |
| description: 'Specifies the value associated with the element. The meaning and usage may vary depending on the element type.' | |
| type: string | |
| elements: | |
| - button | |
| - input | |
| - li | |
| - meter | |
| - option | |
| - param | |
| - progress | |
| - select | |
| - textarea | |
| q: | |
| name: Quotation | |
| description: 'The q element represents some phrasing content quoted from another source.' | |
| level: inline | |
| unique: false | |
| attributes: | |
| cite: | |
| description: 'Specifies the URL of the cited work or the name of the cited creative work.' | |
| type: uri | |
| elements: | |
| - blockquote | |
| - del | |
| - ins | |
| - q | |
| text: string | |
| rp: | |
| name: 'Ruby Parenthesis' | |
| description: 'The rp element is used to provide fallback parentheses for browsers non-supporting ruby annotations. It can be used in complex ruby markup to provide parentheses around the rt element for browsers that do not support ruby elements.' | |
| level: inline | |
| unique: false | |
| text: string | |
| rt: | |
| name: 'Ruby Text' | |
| description: 'The rt element marks the ruby text component of a ruby annotation, which is used to provide pronunciation, translation, or transliteration information for East Asian typography. The rt element must be a child of a ruby element.' | |
| level: inline | |
| unique: false | |
| text: string | |
| ruby: | |
| name: Ruby | |
| description: 'The ruby element represents a ruby annotation. Ruby annotations are short runs of text presented alongside base text, primarily used for East Asian typography to indicate pronunciation or to provide a short annotation.' | |
| level: inline | |
| unique: false | |
| children: | |
| - rp | |
| - rt | |
| s: | |
| name: Strikethrough | |
| description: 'The s element represents contents that are no longer accurate or no longer relevant.' | |
| level: inline | |
| unique: false | |
| text: string | |
| samp: | |
| name: 'Sample Output' | |
| description: 'The samp element represents sample (or quoted) output from a computer program.' | |
| level: inline | |
| unique: false | |
| text: string | |
| script: | |
| name: Script | |
| description: 'The script element is used to embed or reference an executable script within an HTML or XHTML document. Scripts without async or defer attributes, as well as inline scripts, are fetched and executed immediately, before the browser continues to parse the page.' | |
| level: void | |
| unique: false | |
| attributes: | |
| async: | |
| description: 'When present, it specifies that the script will be executed asynchronously as soon as it is available.' | |
| type: boolean | |
| elements: | |
| - script | |
| charset: | |
| description: 'Specifies the character encoding for the resource.' | |
| type: string | |
| elements: | |
| - link | |
| - meta | |
| - script | |
| crossorigin: | |
| type: enum | |
| choices: | |
| - anonymous | |
| - use-credentials | |
| defer: | |
| description: 'When present, it specifies that the script should be executed after the page has been parsed.' | |
| type: boolean | |
| elements: | |
| - script | |
| integrity: | |
| description: 'Specifies the integrity value of a resource.' | |
| type: string | |
| elements: | |
| - link | |
| - script | |
| nonce: | |
| description: 'Specifies a cryptographic nonce that can be used in Content Security Policy (CSP) checks.' | |
| type: string | |
| elements: | |
| - script | |
| - style | |
| referrerpolicy: | |
| description: 'Specifies the referrer policy for fetches initiated by the element.' | |
| type: enum | |
| choices: | |
| - no-referrer | |
| - no-referrer-when-downgrade | |
| - origin | |
| - origin-when-cross-origin | |
| - same-origin | |
| - strict-origin | |
| - strict-origin-when-cross-origin | |
| - unsafe-url | |
| elements: | |
| - a | |
| - area | |
| - iframe | |
| - img | |
| - link | |
| src: | |
| description: 'Specifies the URL of the external resource to be embedded or referenced.' | |
| type: uri | |
| required: true | |
| elements: | |
| - audio | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - script | |
| - source | |
| - track | |
| - video | |
| type: | |
| description: 'Specifies the media type of the linked resource.' | |
| type: enum | |
| elements: | |
| - a | |
| - area | |
| - button | |
| - input | |
| - link | |
| - object | |
| - script | |
| - source | |
| - style | |
| text: string | |
| section: | |
| name: Section | |
| description: 'The section element helps in structuring the content of a webpage by grouping related information together.' | |
| level: block | |
| unique: false | |
| children: | |
| - a | |
| - abbr | |
| - area | |
| - audio | |
| - b | |
| - bdi | |
| - bdo | |
| - br | |
| - cite | |
| - code | |
| - data | |
| - dd | |
| - del | |
| - dfn | |
| - div | |
| - dl | |
| - dt | |
| - em | |
| - embed | |
| - figcaption | |
| - figure | |
| - form | |
| - h1 | |
| - h2 | |
| - h3 | |
| - h4 | |
| - h5 | |
| - h6 | |
| - i | |
| - iframe | |
| - img | |
| - ins | |
| - interactive | |
| - kbd | |
| - li | |
| - map | |
| - mark | |
| - object | |
| - ol | |
| - p | |
| - param | |
| - picture | |
| - pre | |
| - q | |
| - rp | |
| - rt | |
| - ruby | |
| - s | |
| - samp | |
| - small | |
| - source | |
| - span | |
| - strong | |
| - sub | |
| - sup | |
| - table | |
| - time | |
| - track | |
| - u | |
| - ul | |
| - var | |
| - video | |
| - wbr | |
| select: | |
| name: Select | |
| description: 'The select element represents a control for selecting amongst a set of options.' | |
| level: inline | |
| unique: false | |
| attributes: | |
| autocomplete: | |
| type: enum | |
| choices: | |
| - 'off' | |
| - 'on' | |
| disabled: | |
| description: 'When present, it specifies that an input element should be disabled.' | |
| type: boolean | |
| elements: | |
| - button | |
| - fieldset | |
| - input | |
| - optgroup | |
| - option | |
| - select | |
| - textarea | |
| multiple: | |
| description: 'When present, it specifies that the user is allowed to enter more than one value in an input element.' | |
| type: boolean | |
| elements: | |
| - input | |
| - select | |
| - textarea | |
| name: | |
| description: 'Specifies the name associated with the element. The meaning may vary depending on the context.' | |
| type: string | |
| elements: | |
| - a | |
| - button | |
| - fieldset | |
| - form | |
| - iframe | |
| - input | |
| - map | |
| - meta | |
| - object | |
| - param | |
| - select | |
| - textarea | |
| required: | |
| description: 'When present, it specifies that an input field must be filled out before submitting the form.' | |
| type: boolean | |
| elements: | |
| - input | |
| - select | |
| - textarea | |
| size: | |
| description: 'Specifies the height of a hr element in pixels.' | |
| type: integer | |
| elements: | |
| - hr | |
| children: | |
| - optgroup | |
| - option | |
| slot: | |
| name: Slot | |
| description: 'The slot element is a placeholder inside a web component that you can fill with your own markup, which lets you create separate DOM trees and present them together.' | |
| level: inline | |
| unique: false | |
| attributes: | |
| name: | |
| description: 'Specifies the name associated with the element. The meaning may vary depending on the context.' | |
| type: string | |
| elements: | |
| - a | |
| - button | |
| - fieldset | |
| - form | |
| - iframe | |
| - input | |
| - map | |
| - meta | |
| - object | |
| - param | |
| - select | |
| - textarea | |
| children: | |
| - div | |
| - dl | |
| - form | |
| - heading | |
| - interactive | |
| - li | |
| - ol | |
| - p | |
| - pre | |
| - table | |
| - ul | |
| small: | |
| name: Small | |
| description: 'The small element represents side comments such as small print.' | |
| level: inline | |
| unique: false | |
| text: string | |
| source: | |
| name: Source | |
| description: 'The source element allows authors to specify multiple media resources for media elements. It is an empty element. It is commonly used within the picture element.' | |
| level: void | |
| unique: false | |
| attributes: | |
| media: | |
| description: 'Specifies the media type for which the linked resource or style sheet is intended.' | |
| type: string | |
| elements: | |
| - link | |
| - source | |
| - style | |
| sizes: | |
| description: 'Specifies the sizes of the images or icons for different display/window sizes.' | |
| type: string | |
| elements: | |
| - img | |
| - link | |
| - source | |
| src: | |
| description: 'Specifies the URL of the external resource to be embedded or referenced.' | |
| type: uri | |
| required: true | |
| elements: | |
| - audio | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - script | |
| - source | |
| - track | |
| - video | |
| type: | |
| description: 'Specifies the media type of the linked resource.' | |
| type: enum | |
| elements: | |
| - a | |
| - area | |
| - button | |
| - input | |
| - link | |
| - object | |
| - script | |
| - source | |
| - style | |
| span: | |
| name: Span | |
| description: "The span element doesn't mean anything on its own, but can be useful when used together with the global attributes, e.g. class, lang, or dir. It represents its children." | |
| level: inline | |
| unique: false | |
| text: string | |
| strong: | |
| name: Strong | |
| description: 'The strong element represents strong importance, seriousness, or urgency for its contents.' | |
| level: inline | |
| unique: false | |
| text: string | |
| style: | |
| name: Style | |
| description: 'The style element is used to embed CSS styles directly into an HTML document.' | |
| level: void | |
| unique: false | |
| attributes: | |
| disabled: | |
| description: 'When present, it specifies that an input element should be disabled.' | |
| type: boolean | |
| elements: | |
| - button | |
| - fieldset | |
| - input | |
| - optgroup | |
| - option | |
| - select | |
| - textarea | |
| media: | |
| description: 'Specifies the media type for which the linked resource or style sheet is intended.' | |
| type: string | |
| elements: | |
| - link | |
| - source | |
| - style | |
| nonce: | |
| description: 'Specifies a cryptographic nonce that can be used in Content Security Policy (CSP) checks.' | |
| type: string | |
| elements: | |
| - script | |
| - style | |
| title: | |
| description: 'Specifies additional information about the element, typically displayed as a tooltip.' | |
| type: string | |
| elements: | |
| - a | |
| - abbr | |
| - area | |
| - audio | |
| - button | |
| - details | |
| - iframe | |
| - img | |
| - input | |
| - map | |
| - object | |
| - progress | |
| - span | |
| - strong | |
| - sub | |
| - sup | |
| - svg | |
| - time | |
| - video | |
| type: | |
| description: 'Specifies the media type of the linked resource.' | |
| type: enum | |
| elements: | |
| - a | |
| - area | |
| - button | |
| - input | |
| - link | |
| - object | |
| - script | |
| - source | |
| - style | |
| sub: | |
| name: Subscript | |
| description: 'The sub element represents a subscript.' | |
| level: inline | |
| unique: false | |
| text: string | |
| summary: | |
| name: Summary | |
| description: "The summary element represents a summary, caption, or legend for the rest of the contents of the summary element's parent details element, if any." | |
| level: block | |
| unique_per_parent: true | |
| parent: details | |
| children: | |
| - text | |
| sup: | |
| name: Superscript | |
| description: 'The sup element represents a superscript.' | |
| level: inline | |
| unique: false | |
| text: string | |
| table: | |
| name: Table | |
| description: 'The table element represents tabular data — that is, information presented in a two-dimensional table comprised of rows and columns of cells containing data.' | |
| level: block | |
| unique: false | |
| children: | |
| - caption | |
| - colgroup | |
| - tbody | |
| - tfoot | |
| - thead | |
| - tr | |
| tbody: | |
| name: 'Table Body' | |
| description: 'The tbody element groups one or more tr elements as the body of a table.' | |
| level: block | |
| unique: false | |
| parent: table | |
| children: | |
| - tr | |
| td: | |
| name: 'Table Data' | |
| description: 'The td element represents a data cell in a table.' | |
| level: block | |
| unique: false | |
| parent: tr | |
| attributes: | |
| colspan: | |
| description: 'Specifies the number of columns a table cell should span.' | |
| type: integer | |
| elements: | |
| - td | |
| - th | |
| headers: | |
| description: 'Specifies a list of header cells that represent the header for the cell.' | |
| type: string | |
| elements: | |
| - td | |
| - th | |
| rowspan: | |
| description: 'Specifies the number of rows a table cell should span.' | |
| type: integer | |
| elements: | |
| - td | |
| - th | |
| template: | |
| name: Template | |
| description: 'The template element is a mechanism for holding client-side content that is not to be rendered when a page is loaded but may subsequently be instantiated during runtime using JavaScript.' | |
| level: block | |
| unique: false | |
| children: | |
| - div | |
| - dl | |
| - form | |
| - heading | |
| - interactive | |
| - li | |
| - ol | |
| - p | |
| - pre | |
| - table | |
| - ul | |
| textarea: | |
| name: Textarea | |
| description: "The textarea element represents a multiline plain text edit control for the element's raw value." | |
| level: inline | |
| unique: false | |
| attributes: | |
| autocomplete: | |
| type: enum | |
| choices: | |
| - 'off' | |
| - 'on' | |
| cols: | |
| description: 'Specifies the visible width of a text area, in average character widths.' | |
| type: integer | |
| elements: | |
| - textarea | |
| dirname: | |
| description: 'Specifies the direction of the text.' | |
| type: string | |
| elements: | |
| - input | |
| - textarea | |
| disabled: | |
| description: 'When present, it specifies that an input element should be disabled.' | |
| type: boolean | |
| elements: | |
| - button | |
| - fieldset | |
| - input | |
| - optgroup | |
| - option | |
| - select | |
| - textarea | |
| maxlength: | |
| description: 'Specifies the maximum number of characters allowed in an input field.' | |
| type: integer | |
| elements: | |
| - input | |
| - textarea | |
| minlength: | |
| description: 'Specifies the minimum number of characters required in an input field.' | |
| type: integer | |
| elements: | |
| - input | |
| - textarea | |
| name: | |
| description: 'Specifies the name associated with the element. The meaning may vary depending on the context.' | |
| type: string | |
| elements: | |
| - a | |
| - button | |
| - fieldset | |
| - form | |
| - iframe | |
| - input | |
| - map | |
| - meta | |
| - object | |
| - param | |
| - select | |
| - textarea | |
| placeholder: | |
| description: 'Specifies a short hint that describes the expected value of an input field.' | |
| type: string | |
| elements: | |
| - input | |
| - textarea | |
| readonly: | |
| description: 'When present, it specifies that an input element is read-only.' | |
| type: boolean | |
| elements: | |
| - input | |
| - textarea | |
| required: | |
| description: 'When present, it specifies that an input field must be filled out before submitting the form.' | |
| type: boolean | |
| elements: | |
| - input | |
| - select | |
| - textarea | |
| rows: | |
| description: 'Specifies the visible number of lines in a text area.' | |
| type: integer | |
| elements: | |
| - textarea | |
| wrap: | |
| type: enum | |
| choices: | |
| - hard | |
| - 'off' | |
| - soft | |
| tfoot: | |
| name: 'Table Foot' | |
| description: 'The tfoot element groups the footer content in a table.' | |
| level: block | |
| unique: true | |
| parent: table | |
| children: | |
| - tr | |
| th: | |
| name: 'Table Header' | |
| description: 'The th element represents a header cell in a table.' | |
| level: block | |
| unique: false | |
| parent: tr | |
| attributes: | |
| colspan: | |
| description: 'Specifies the number of columns a table cell should span.' | |
| type: integer | |
| elements: | |
| - td | |
| - th | |
| headers: | |
| description: 'Specifies a list of header cells that represent the header for the cell.' | |
| type: string | |
| elements: | |
| - td | |
| - th | |
| rowspan: | |
| description: 'Specifies the number of rows a table cell should span.' | |
| type: integer | |
| elements: | |
| - td | |
| - th | |
| scope: | |
| description: 'Specifies the set of header cells a data cell belongs to.' | |
| type: string | |
| elements: | |
| - td | |
| thead: | |
| name: 'Table Head' | |
| description: 'The thead element groups the header content in a table.' | |
| level: block | |
| unique: true | |
| parent: table | |
| children: | |
| - tr | |
| time: | |
| name: Time | |
| description: 'The time element represents a specific period in time. It may include the datetime attribute to translate dates into machine-readable format, allowing for better search engine results or custom features such as reminders.' | |
| level: inline | |
| unique: false | |
| attributes: | |
| datetime: | |
| description: "Specifies the date and time of the change in the format 'YYYY-MM-DDThh:mm:ss' or a subset of it." | |
| type: datetime | |
| elements: | |
| - del | |
| - ins | |
| - time | |
| text: string | |
| title: | |
| name: Title | |
| description: "The title element defines the title of the document, shown in a browser's title bar or a page's tab. It is only text, not meant to be displayed." | |
| level: void | |
| unique_per_parent: true | |
| parent: head | |
| text: string | |
| tr: | |
| name: 'Table Row' | |
| description: 'The tr element represents a row of cells in a table.' | |
| level: block | |
| unique: false | |
| parent: 'table | thead | tbody | tfoot' | |
| children: | |
| - td | |
| - th | |
| track: | |
| name: Track | |
| description: 'The track element is used as a child of the media elements—audio and video. It lets you specify timed text tracks (or time-based data), for example to automatically handle subtitles. The tracks are formatted in WebVTT format (.vtt files) — Web Video Text Tracks.' | |
| level: void | |
| unique: false | |
| attributes: | |
| default: | |
| description: 'Specifies that the track should be enabled by default when the page loads.' | |
| type: boolean | |
| elements: | |
| - track | |
| kind: | |
| type: enum | |
| choices: | |
| - captions | |
| - chapters | |
| - descriptions | |
| - metadata | |
| - subtitles | |
| label: | |
| description: 'Specifies a label for the associated form control, option group, or option.' | |
| type: string | |
| elements: | |
| - label | |
| - optgroup | |
| - option | |
| src: | |
| description: 'Specifies the URL of the external resource to be embedded or referenced.' | |
| type: uri | |
| required: true | |
| elements: | |
| - audio | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - script | |
| - source | |
| - track | |
| - video | |
| srclang: | |
| description: 'Specifies the language of the track text data.' | |
| type: string | |
| elements: | |
| - track | |
| u: | |
| name: Underline | |
| description: 'The u element represents a span of text with an unarticulated, though explicitly rendered, non-textual annotation, such as labeling the text as being a proper name in Chinese text (a Chinese proper name mark), or labeling the text as being misspelt.' | |
| level: inline | |
| unique: false | |
| text: string | |
| ul: | |
| name: 'Unordered List' | |
| description: 'The ul element represents an unordered list of items, namely a collection of items that do not have a numerical ordering, and their order in the list is meaningless.' | |
| level: block | |
| unique: false | |
| children: | |
| - li | |
| var: | |
| name: Variable | |
| description: 'The var element represents the name of a variable in a mathematical expression or a programming context.' | |
| level: inline | |
| unique: false | |
| text: string | |
| video: | |
| name: Video | |
| description: 'The video element is used to embed video content in a document, such as a movie clip or other video streams.' | |
| level: block | |
| unique: false | |
| attributes: | |
| autoplay: | |
| description: 'When present, it specifies that the audio or video will automatically start playing as soon as it can do so without stopping.' | |
| type: boolean | |
| elements: | |
| - audio | |
| - video | |
| controls: | |
| description: 'When present, it specifies that audio or video controls should be displayed (such as play, pause, and volume).' | |
| type: boolean | |
| elements: | |
| - audio | |
| - video | |
| crossorigin: | |
| type: enum | |
| choices: | |
| - anonymous | |
| - use-credentials | |
| height: | |
| description: 'Specifies the height of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| loop: | |
| description: 'When present, it specifies that the audio or video will start over again every time it is finished.' | |
| type: boolean | |
| elements: | |
| - audio | |
| - video | |
| muted: | |
| description: 'When present, it specifies that the audio output of the video should be muted.' | |
| type: boolean | |
| elements: | |
| - audio | |
| - video | |
| poster: | |
| description: "Specifies the URL of an image to be displayed as the video's poster (thumbnail) image." | |
| type: string | |
| elements: | |
| - video | |
| preload: | |
| type: enum | |
| choices: | |
| - auto | |
| - metadata | |
| - none | |
| src: | |
| description: 'Specifies the URL of the external resource to be embedded or referenced.' | |
| type: uri | |
| required: true | |
| elements: | |
| - audio | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - script | |
| - source | |
| - track | |
| - video | |
| width: | |
| description: 'Specifies the width of the element. The meaning may vary depending on the element type. Accepts integers, pixels (px), and percentages (%).' | |
| type: string | |
| elements: | |
| - canvas | |
| - embed | |
| - iframe | |
| - img | |
| - input | |
| - object | |
| - video | |
| wbr: | |
| name: 'Word Break Opportunity' | |
| description: 'The wbr element represents a word break opportunity.' | |
| level: void | |
| unique: false |
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