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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>
- <style>
- .dida{
- color: red;
- }
- </style>
- </head>
- <body>
- <div id="root"></div>
- <!-- 数据渲染用for
- for => htmlFor
- class => className
- jsx中 所有标签 必须闭合
- jsx中注释:
- {/*在这里写注释*/}
- -->
- <!--
- label中的for的名称
- 与input框中的id名称相同,就可以实现点击label内容input实现聚焦
- input中 tabIndex属性可以操控tab健下的顺序
- -->
- <script type="text/babel">
- let element = <h1 className='dida'>滴滴答答</h1>
- let example = (
- <div>
- {/*react中这样写注释*/}
- <label htmlFor="same">姓名</label>
- <input id="same" type="text" placeholder=' 请输入姓名' tabIndex='1'/>
- <br/>
- <label htmlFor="same">年龄</label>
- <input id="same" type="text" placeholder=' 请输入年龄'tabIndex='2'/>
- <br/>
- <label htmlFor="same">地址</label>
- <input id="same" type="text" placeholder=' 请输入地址'tabIndex='3'/>
- <br/>
- </div>
- )
- const getelement =document.getElementById('root');
- ReactDOM.createRoot(getelement).render(element)
- </script>
- </body>
- </html>
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