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The use and definition of html tag

黄舟

Jun 20, 2017 pm 04:21 PM

html use definition Label

html5中标签作用是格式化表格中的列，这里详细介绍下标签用法、标签属性以及标签应用实例。

html中标签作用：格式化表格中的列

标签用法：

标签用于对表格中的列进行组合，以便对其进行格式化。

如需对全部列应用样式，标签很有用，这样就不需要对各个单元和各行重复应用样式了。

标签只能在 table 元素中使用。

标签应用实例：

两个 colgroup 元素为表格中的三列规定了不同的对齐方式和样式（注意第一个 colgroup 元素横跨两列）：

<table width="100%" border="1">
  <colgroup span="2" align="left"></colgroup>
  <colgroup align="right" style="color:#0000FF;"></colgroup>
  <tr>
    <th>ISBN</th>
    <th>Title</th>
    <th>Price</th>
  </tr>
  <tr>
    <td>3476896</td>
    <td>My first HTML</td>
    <td>$53</td>
  </tr>
</table>

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标签有哪些属性？

哪些浏览器支持标签？

所有主流浏览器都支持标签。Firefox、Chrome以及Safari仅支持colgroup元素的span和width属性。

标签定义及使用说明

标签用于对表格中的列进行组合，以便对其进行格式化。

通过使用标签，可以向整个列应用样式，而不需要重复为每个单元格或每一行设置样式。

注释：只能在

元素之内，在任何一个、、、元素之前使用标签。

提示：如果想对

中的某列定义不同的属性，请在标签内使用标签。

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