Lit-element test
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February 23, 2019 17:59
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0" /> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge" /> | |
| <title>LitElement Demo</title> | |
| <script src="./index.js" type="module"></script> | |
| </head> | |
| <body> | |
| <app-demo></app-demo> | |
| </body> | |
| </html> |
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| import { | |
| LitElement, | |
| html | |
| } from "https://unpkg.com/[email protected]/lit-element.js?module"; | |
| import { repeat } from "https://unpkg.com/[email protected]/directives/repeat.js?module"; | |
| customElements.define( | |
| "app-demo", | |
| class extends LitElement { | |
| constructor() { | |
| super(); | |
| this.data = Array.from(Array(10).keys()).map(v => ({ | |
| id: v, | |
| value: v * v | |
| })); | |
| } | |
| render() { | |
| return html` | |
| <section> | |
| ${repeat( | |
| this.data, | |
| data => data.id, | |
| data => | |
| html` | |
| <p>${data.value}</p> | |
| ` | |
| )} | |
| </section> | |
| `; | |
| } | |
| } | |
| ); |
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