Can we have multiple <tbody> in same <table>?
Can we have multiple <tbody> tags in same <table> ? If yes then in what scenarios should we use multiple <tbody> tags?
Yes you can use them, for example I use them to more easily style groups of data, like this:
<table>
<thead>
<tr><th>Customer</th><th>Order</th><th>Month</th></tr>
</thead>
<tbody>
<tr><td>Customer 1</td><td>#1</td><td>January</td></tr>
<tr><td>Customer 1</td><td>#2</td><td>April</td></tr>
<tr><td>Customer 1</td><td>#3</td><td>March</td></tr>
</tbody>
<tbody>
<tr><td>Customer 2</td><td>#1</td><td>January</td></tr>
<tr><td>Customer 2</td><td>#2</td><td>April</td></tr>
<tr><td>Customer 2</td><td>#3</td><td>March</td></tr>
</tbody>
<tbody>
<tr><td>Customer 3</td><td>#1</td><td>January</td></tr>
<tr><td>Customer 3</td><td>#2</td><td>April</td></tr>
<tr><td>Customer 3</td><td>#3</td><td>March</td></tr>
</tbody>
</table>
Then you can style them easily, like this:
tbody:nth-child(odd) { background: #f5f5f5; }
tbody:nth-child(even) { background: #e5e5e5; }
You can view an example here, it'll only work in newer browsers...but that's what I'm supporting in my current application, you can use the grouping for JavaScript etc. The main thing is it's a convenient way to visually group the rows to make the data much more readable. There are other uses of course, but as far as applicable examples, this one is the most common one for me.
Yes. From the DTD
<!ELEMENT table
(caption?, (col*|colgroup*), thead?, tfoot?, (tbody+|tr+))>
So it expects one or more. It then goes on to say
Use multiple tbody sections when rules are needed between groups of table rows.
根据这个例子可以完成：w3-struct-tables。
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