React开发实时聊天招聘工具 -第三章 React基础知识回顾

function a (props)

{

return <h1>hello world{this.props.asd}</h1>

}

class a extends React.Component{

constructor(){

super()

this.state = {

xxx:yyy

}

}

render(){

return (

<div>Hello</div>

)

}

}