HTML元素分类-表格元素
0.
:定义表格内的表头单元格。
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:定义表格中的标准单元格。<table border="1"> <thead> <tr> <th>Month</th> <th>Savings</th> </tr> </thead> <tbody> <tr> <td>January</td> <td>$100</td> </tr> <tr> <td>February</td> <td>$80</td> </tr> </tbody> <tfoot> <tr> <td>Sum</td> <td>$180</td> </tr> </tfoot> </table>
<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> </table> 这里需要注意的是,在H5中,col元素、colgroup元素仅支持属性span且必须被嵌套在table元素内所有的子元素之前。 |
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TheroottaginanHTMLdocumentis.Itservesasthetop-levelelementthatencapsulatesallothercontent,ensuringproperdocumentstructureandbrowserparsing.

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The article explains the HTML 'class' attribute's role in grouping elements for styling and JavaScript manipulation, contrasting it with the unique 'id' attribute.


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