<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="./node_modules/react/umd/react.development.js"></script>
    <script src="./node_modules/react-dom/umd/react-dom.development.js"></script>
    <script src="./node_modules/babel-standalone/babel.min.js"></script>
    <script src="./node_modules/prop-types/prop-types.js"></script>
</head>
<body>
<div id="demoReact">

</div>
<script type="text/babel">
    class Com extends  React.Component{
        constructor(props) {
            super(props);
        this.func=this.func.bind(this)
        }
        fun=()=>{
            console.log(this)
        }
        funa(){
            console.log(this)
        }
        func(){
            console.log(this)
        }
        fund(){
            console.log(this)
        }
        fune=(i,e)=>{
            console.log(i)
            console.log(e)
        }
        render(){
            return(
                <div>

                    <button onClick={this.fun}>点我</button>
                    <button onClick={this.funa.bind(this)}>点我</button>
                    <button onClick={this.func}>点我</button>
                    <button onClick={()=>{this.fund()}}>点我</button>
                    <h1>参数传递</h1>
                    <button onClick={this.fune.bind(this,"我是参数")}>点我</button>
                    <button onClick={(e)=>{this.fune("我是参数2",e)}}>点我</button>
                </div>
            )
        }
    }

    ReactDOM.render(<Com/>,document.getElementById('demoReact'))



</script>
</body>
</html>

运行结果