js_react__react-intro/public/scripts/tutorial.js

let data = [
  { id: 1, author: "Pete Hunt", text: "This is one comment" },
  { id: 2, author: "Jordan Walke", text: "This is *another* comment" }
];

let Comment = React.createClass({
  rawMarkup: function () {
    let rawMarkup = marked(this.props.children.toString(), { sanitize: true });
    return { __html: rawMarkup };
  },
  render: function () {
    return (
      <div className="comment">
        <h2 className="commentAuthor">
          {this.props.author}
        </h2>
        <span dangerouslySetInnerHTML={this.rawMarkup()} />
      </div>
    );
  }
});

let CommentList = React.createClass({
  render: function () {
    let commentNodes = this.props.data.map(function (comment) {
      return (
        <Comment author={comment.author} key={comment.id}>
          {comment.text}
        </Comment>
      );
    });
    return (
      <div className="commentList">
        {commentNodes}
        </div>
    );
  }
});

let CommentForm = React.createClass({
  render: function () {
    return (
      <div className="commentForm">
        Hello, world! I am a CommentForm.
        </div>
    );
  }
});

let CommentBox = React.createClass({
  render: function () {
    return (
      <div className="commentBox">
        <h1>Comments</h1>
        <CommentList data={this.props.data} />
        <CommentForm />
        </div>
    );
  }
});

ReactDOM.render(
  <CommentBox url="/api/comments" />,
  document.getElementById("content")
);