Block-level elements, simply put, are elements that occupy their own line. Its features:
① Always start on a new line;
② Height, line height, margins and padding can all be controlled;
③ The width defaults to 100% of its container unless a width is specified.
④It can accommodate inline elements and other block elements
The summary code is as follows:
<!doctype html> <html> <head> <meta charset="UTF-8"> <title>Document</title> </head> <body> <!-- 块状元素 独占一行 --> <!-- p无语义,称它为盒子 --> <p>盒子</p> <!-- h1-h6语义 定义标题 --> <h1>标题1</h1> <h2>标题2</h2> <h6>标题3</h6> <!-- p 语义 段落标签 写文字--> <p>文章</p> <!-- 列表多数用来存一系列的相似的数据 --> <!-- 有序列表 --> <ol> <li>导航1</li> <li>导航2</li> <li>导航3</li> </ol> <!-- 无序列表 --> <ul> <li>导航1</li> <li>导航2</li> <li>导航3</li> </ul> <!-- 定义列表 解释某个名词 --> <dl> <dt>名词</dt> <dd>解释名词的位置</dd> </dl> <!-- 表格 渲染性能不好 少用 --> <table> <caption>表格头部</caption> <!-- tr是行 --> <tr> <!-- th表头 --> <th>星期一</th> <th>星期二</th> </tr> <tr> <!-- td单元格 --> <td>上课</td> <td>上课</td> </tr> </table> </body> </html>
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