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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>
- <script type="text/babel">
- // jsx可以进行页面渲染
- // 数据渲染: {表达式}语法 动态给jsx绑定数据
- let name = 'abcd'
- const element = <h1>你好，{name}</h1>;
- const element1 = <h1>1+1={1+1}</h1>;
- const element2 = <h1>{[...name].reverse().join("")}</h1>
- // const element2 = <h1>{name.split("").reverse().join("")}</h1>
- const root = ReactDOM.createRoot(document.getElementById("root"));
- root.render(element2);
- let a = '123';
- console.log([...a])
- </script>
- </body>
- </html>
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