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HomeWeb Front-endFront-end Q&Awhat does col mean in html

col在html中是“列”的意思;col是html中的标签,是“column”的缩写,该标签是给表格中一个或者多个列应用样式,而不需要重复为每个单元格或每一行设置样式,标签规定了元素内部每一列的属性,只能在table或colgroup元素中使用该标签。

what does col mean in html

本教程操作环境:windows10系统、HTML5版本、Dell G3电脑。

col在html中是什么意思

标签的定义标签的“col”是“column”英文单词的缩写,中文有“列”的意思;标签是给表格中一个或多个列应用样式,而不需要重复为每个单元格或每一行设置样式;标签规定了  元素内部的每一列的列属性;标签设置的样式会被标签设置的样式覆盖;

HTML

标签规定了 元素内部的每一列的列属性。

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。

标签为表格中一个或多个列定义属性值。

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。

您只能在 table 或 colgroup 元素中使用

标签。

示例如下:

<!DOCTYPE html>
<html>
<head> 
<meta charset="utf-8"> 
<title>123</title> 
</head>
<body>
<table border="1">
  <colgroup>
    <col span="2" style="background-color:red">
    <col style="background-color:yellow">
  </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>
  <tr>
    <td>5869207</td>
    <td>My first CSS</td>
    <td>$49</td>
  </tr>
</table>
</body>
</html>

输出结果:

what does col mean in html

(学习视频分享:css视频教程html视频教程

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