React入门1

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title></title>
</head>
<body>
    <div id="content"></div>
    <script src="http://static01.baomihua.com/js/core/jquery-1.8.3.min.js"></script>
    <script src="react.js"></script>
    <script src="JSXTransformer.js"></script>
    <script type="text/jsx">
        var Comment = React.createClass({
            render: function() {
                return (
                    <div className="comment">
                        <h2 className="commentAuthor">
                            {this.props.author}
                        </h2>
                        {this.props.children}
                    </div>
                )
            }
        })

        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 CommentForm = React.createClass({
            handleSubmit: function(e) {
                e.preventDefault()
                var author = this.refs.author.getDOMNode().value.trim()
                var text = this.refs.text.getDOMNode().value.trim()
                if (!text || !author) {
                    return
                }

                this.props.onCommentSubmit({author: author, text: text})

                this.refs.author.getDOMNode().value = ''
                this.refs.text.getDOMNode().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 CommentBox = React.createClass({
            loadCommentsFromServer: function() {
                $.ajax({
                    url: this.props.url,
                    dataType: 'json',
                    success: function(data) {
                        this.setState({data: data})
                    }.bind(this),
                    error: function(xhr, status, err) {
                        console.error(this.props.url, status, err.toString())
                    }.bind(this)
                })
            },
            handleCommentSubmit: function(comment) {
                var comments = this.statet.data
                var newComments = comments.concat(comment)
                this.setState({data: newComments})

                // ajax
            },
            getInitialState: function() {
                return {data: []}
            },
            componentDidMount: function() {
                this.loadCommentsFromServer()
                //setInterval(this.loadCommentsFromServer, this.props.pollInterval)
            },
            render: function() {
                return (
                    <div className="commentBox">
                        <h1>Comments</h1>
                        <CommentList data={this.state.data} />
                        <CommentForm  onCommentSubmit={this.handleCommentSubmit} />
                    </div>
                )
            }
        })

        React.render(
            <CommentBox url="comments.json" pollInterval={2000} />,
            document.getElementById('content')
        )
    </script>
</body>
</html>