react.js-09-点击刷新state

var Input = React.createClass({
getInitialState: function() {
return {value: ‘Hello!’};
},
handleChange: function(event) {
this.setState({value: event.target.value});
},
render: function () {
var value = this.state.value;
return (

{value}

); } }); ReactDOM.render(,document.body);