这个看得有点懵，

可能要结合其它实例看。

html

            
       React.js Example
     

 

js

var data = [{ "when": "2 minutes ago",    "who": "Jill Dupre",    "description": "Created new account"  },  {    "when": "1 hour ago",    "who": "Lose White",    "description": "Added fist chapter"}];var headings = ['When', 'Who', 'Description'];var Heading = React.createClass({  render: function() {    return {
   this.props.heading};  }});var Headings = React.createClass({  render: function() {    var headings = this.props.headings.map(function(name) {      return 
     
      ;    });    return {headings};  }});var Row = React.createClass({  render: function() {    return       {
   this.props.changeSet.when}      {
   this.props.changeSet.who}      {
   this.props.changeSet.description}    ;  }});var Rows = React.createClass({  render: function() {    var rows = this.props.changeSets.map(function(changeSet) {    return(
      
       );    });    return {rows};  }});var App = React.createClass({  render: function() {  return 
       
       
       
;  }});ReactDOM.render(
       ,        document.getElementById('container'));