anu/index8.html at master · johnsonman/anu · GitHub

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<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width">
    <style>
        .aaa {
            width: 200px;
            height: 200px;
            background: red;
        }

        .bbb {
            width: 200px;
            height: 200px;
            background: lawngreen;
        }
    </style>

<script type='text/javascript' src="./dist/React.js"></script>

  <!-- <script src="./test/react.js"></script>
    <script src="./test/react-dom.js"></script>-->

    <script src="./test/babel.js"></script>
    <script type='text/babel'>
    var s
   var str = ''

        class App extends React.Component {
            constructor(props) {
                super(props)
            }
            componentWillMount(){
                console.log(this.a)
            }
        componentDidMount(){
                console.log(this.a)
            }
            render() {
                return  <div ref={(dom)=>{ this.a = dom}} >
                        cccc
                    </div>
            }
        };

    window.onload = function(){
        s = ReactDOM.render( <App />, document.getElementById('example'))
    }
    </script>
</head>

<body>

    <div>这个默认会被清掉</div>
    <div id='example'></div>


</body>

</html>