HTML sl;colgroup sgt; tags
The label is used to represent a group of table columns for HTML, defining a set of lists in the table.The labels set the background color for the three columns in the table:
<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>
</table>
Try it out . . .
Browser support
All major browsers support the hashtag.
Label definition and instructions for use
The label is used to combine columns in a table to format them.
You can apply styles to the entire column without having to repeatedly style each cell or row by using the label.
Note: Labels can only be used within the element, after any one of the elements, in any one of the elements.
Tip: If you would like to define a different property for a column in the .
The difference between HTML 4.01 and HTML5
Most of the properties in HTML 4.01 are no longer supported in HTML5.
Property
| 属性 | 值 | 描述 |
|---|---|---|
| align |
left
right center justify char |
HTML5 不支持。 规定在列组合中内容的水平对齐方式。 |
| char | character | HTML5 不支持。 规定根据哪个字符来对齐列组中的内容。 |
| charoff | number | HTML5 不支持。 规定第一个对齐字符的偏移量。 |
| span | number | 规定列组应该横跨的列数。 |
| valign |
top
middle bottom baseline |
HTML5 不支持。 定义在列组合中内容的垂直对齐方式。 |
| width |
pixels
% relative_length |
HTML5 不支持。 规定列组合的宽度。 |
Global properties
The label supports the global properties of HTML.
The event property
The tag supports the event properties of HTML.