react在jsx语法中实现for循环

来源:互联网 发布:javascript date 加减 编辑:程序博客网 时间:2024/06/07 08:58
<!DOCTYPE html><html><head>    <meta charset="utf-8">    <script src="react.js"></script>    <script src="react-dom.js"></script>    <script src="babel.min.js"></script><style>    .yew{color:red;}    .no{color:#000;}</style></head><body>    <div id="root"></div><script type="text/babel">    class Hello extends React.Component {        render(){        var list = (length) => {          var res = [];          for(var i = 0; i < length; i++) {            res.push(<h2 key={i}>hello react</h2>)          }          return res        }        return (          <div>hello {list(this.props.length)}          </div>        )      }    }var helloData = 5    ReactDOM.render(      <Hello length = {helloData}/>,      document.getElementById('root')    );</script></body></html>
原创粉丝点击