React组件
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-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.js"></script> </head> <body> <div id="app"> </div> <script type="text/babel"> let arr = [ { id:1, name:'xiaobai', age:19 }, { id:2, name:'xiaoxiaobai', age:11 }, { id:3, name:'dabai', age:13 } ] function List() { return ( <ul> { arr.map((obj)=>{ return <li className='tit' key={obj.id} style={{color:obj.id===1?'red':'blue'}} onClick={()=>{ alert(obj.age) }}> {obj.name} </li> })} </ul> ) } ReactDOM.render( <div><List />{List()}</div>, //如何传参 可以写成解析的模式或者写成标签jsx的形式 document.getElementById('app') ) </script> </body> </html>