var data = http://www.mamicode.com/[{"when": "2 minutes ago",  "who": "Jill Dupre",  "description": "Created new account"},{  "when": "1 hour ago",  "who": "Lose White",  "description": "Added fist chapter"},{  "when": "2 hours ago",  "who": "Jordan Whash",  "description": "Created new account"}];var headings = ["Last updated at", "By Author", "Summary"]var title = "Recent Changes";var App = React.createClass({    render: function(){    var headings = this.props.headings.map(function(heading) {    return(<th>{heading}</th>);});var rows = this.props.data.map(function(row){return <tr><td>{row.when}</td><td>{row.who}</td><td>{row.description}</td></tr>})return <div><h1>{this.props.title}</h1><table><thead>{headings}</thead>{rows}</table></div>}});React.render(<App headings={headings} data=http://www.mamicode.com/{data} title={title}/>,>