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December 1, 2015 08:32
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React.js official tutorial
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<!-- index.html --> | |
<html> | |
<head> | |
<title>Hello React</title> | |
<script src="https://fb.me/react-0.13.3.js"></script> | |
<script src="https://fb.me/JSXTransformer-0.13.3.js"></script> | |
<script src="https://code.jquery.com/jquery-2.1.3.min.js"></script> | |
</head> | |
<body> | |
<div id="content"></div> | |
<div id="content2"></div> | |
<script type="text/jsx"> | |
var data = [ | |
{author: "Pete Hunt", text: "This is one comment"}, | |
{author: "Jordan Walke", text: "This is *another* comment"} | |
]; | |
var CommentBox = React.createClass({ | |
getInitialState: function() { | |
return {data: []}; | |
}, | |
handleCommentSubmit: function(comment) { | |
var comments = this.state.data; | |
var newComments = comments.concat([comment]); | |
this.setState({data: newComments}); | |
}, | |
render: function() { | |
return ( | |
<div className="commentBox"> | |
<h1>CommentBox</h1> | |
<CommentForm onCommentSubmit={this.handleCommentSubmit} /> | |
<CommentList data={this.state.data} /> | |
</div> | |
); | |
} | |
}); | |
var CommentForm = React.createClass({ | |
handleSubmit: function(e) { | |
e.preventDefault(); | |
var author = React.findDOMNode(this.refs.author).value.trim(); | |
var text = React.findDOMNode(this.refs.text).value.trim(); | |
if (!text || !author) { | |
return; | |
} | |
this.props.onCommentSubmit({author: author, text: text}); | |
React.findDOMNode(this.refs.author).value = ''; | |
React.findDOMNode(this.refs.text).value = ''; | |
return; | |
}, | |
render: function() { | |
return ( | |
<form className="commentForm" onSubmit={this.handleSubmit}> | |
<input type="text" placeholder="Your name" ref="author" /> | |
<input type="text" placeholder="Say something..." ref="text" /> | |
<input type="submit" value="Post" /> | |
</form> | |
); | |
} | |
}); | |
var CommentList = React.createClass({ | |
render: function() { | |
var commentNodes = this.props.data.map(function(comment) { | |
return ( | |
<Comment author={comment.author}>{comment.text}</Comment> | |
) | |
}); | |
return ( | |
<div className="commentList"> | |
{commentNodes} | |
</div> | |
); | |
} | |
}); | |
var Comment = React.createClass({ | |
render: function() { | |
//var marled_str = marked(this.props.children.toString(), {sanitize: true}); | |
return ( | |
<div className="comment"> | |
<h2 className="commentAuthor"> | |
{this.props.author} | |
</h2> | |
{this.props.children} | |
</div> | |
); | |
} | |
}); | |
React.render( | |
<CommentBox data={data} />, | |
document.getElementById('content') | |
); | |
</script> | |
</body> | |
</html> |
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