简单教程
提交运行
代码编辑器：
<title>React Hello World -简单教程 </title> <script src="https://cdn.staticfile.org/react/15.5.4/react.min.js"></script> <script src="https://cdn.staticfile.org/react/15.5.4/react-dom.min.js"></script> <script src="https://cdn.staticfile.org/babel-standalone/6.24.0/babel.min.js"></script> <div id="app"></div> <script type="text/babel"> var Hello = React.createClass({ getInitialState: function () { return { opacity: 1.0 }; }, componentDidMount: function () { this.timer = setInterval(function () { var opacity = this.state.opacity; opacity -= .05; if (opacity < 0.1) { opacity = 1.0; } this.setState({ opacity: opacity }); }.bind(this), 200); }, render: function () { return ( <div style={{opacity: this.state.opacity}}> Hello {this.props.name} </div> ); } }); ReactDOM.render( <Hello name="简单编程"/>, document.getElementById('app') ); </script>
运行结果：