React点击事件

index.js:

import React from 'react';

import ReactDOM from 'react-dom';

import Examle from './component/Example.jsx';

ReactDOM.render(<Example><Example>,document.getElementById('root'));

Example.jsx:

import React from 'react';

export default class Example extends React.Component{

constructor(){

super()

this.state={}

}

render(){

return <div>

<button onClick={()=>this.clickhandle("参数")}>按钮</button>

</div>

}

clickhandle=(arg)=>console.log(arg+"123213")

}