Testaccount
/
1.Test


			
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./babel.min.js"></script>
    <script src="./react.development.js"></script>
    <script src="./react-dom.development.js"></script>
</head>
<body>
    <div id="root"></div>
    <!-- 
        vue 动态渲染 {{}} 模板语法
        react 表达式 {} 可以做运算
     -->
    <script type="text/babel">
        let rain = '第二节';
        let userName = {
            firstName:'前',
            lastName:'端'
        }
        //const snow = <h3>这是数据渲染的{rain}</h3>;
        //const snow = <h3>这是数据渲染的{1+2}</h3>;
        //const snow = <h3>这是数据渲染的{true+1}</h3>;
        //const snow = <h3>这是数据渲染的{false+1}</h3>;
        //const snow = <h3>这是数据渲染的{false+2+'星期五'}</h3>;
        function getName(userName){
            return `${userName.firstName} ${userName.lastName}`
        }
        const snow =<h2>{getName(userName)}</h2>;
        const getRoot = document.querySelector("#root");
        ReactDOM.createRoot(getRoot).render(snow);


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