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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>
- </head>
- <body>
- <!-- 多个标签在一行内展示 称为行元素 -->
- <span>hello</span>
- <span>world</span>
- <!-- 多个标签换行展示 称为块元素-->
- <div>世界</div>
- <div>你好</div>
- </body>
- </html>
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