necessary? Actually, it is recommended to write
Where to put ? Can be in front of !
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How to structure the semantic parts of an html table (thead, tbody, tfoot)?
How to structure the semantic parts of an html table (thead, tbody, tfoot)?
Jul 13, 2025 am 02:47 AM
html table
Semantic structure
Use <thead>,
<tbody>, and
<tfoot> to add clear semantic structures to HTML tables. 1. <thead> is used to wrap the content of the table header. It is recommended to use the tag and enhance the semantics with scope="col" and can also repeat the table header when printing; 2.
<tbody> is not mandatory, but it is recommended to use, which is convenient for content grouping, style control and script operations. A table can contain multiple
<tbody>; 3.
<tfoot> can be used to place summary information such as totals, and can be placed between <thead> and
<tbody> or after multiple
<tbody>, and the browser will still correctly render it at the bottom. Correct use of these three tags can improve the accessibility, maintainability and semantic expression capabilities of tables. 
It is not difficult to add semantic structures to HTML tables, the key is to use the right tags. The three tags <thead> , <code><tbody> and <code><tfoot> are not optional decorations. They can make the table more organized and help screen readers and search engines understand the content structure. <img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/175234605213019.jpeg" class="lazy" alt="How to structure the semantic parts of an html table (head, tbody, tfoot)?"><p> Let’s talk about how to use these parts well. </p>
<img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/175234605560309.jpeg" class="lazy" alt="How to structure the semantic parts of an html table (head, tbody, tfoot)?"><hr>
<h3> When to use <code><thead> : define the header area<p> <code><thead> is used to wrap the header content of the form, and usually contains the title line (such as "name", "age", "city"). This tag does not only make the code look neat, but also allows the browser to automatically repeat the table header to the top of each page when printing long tables.<ul><li> Put all the title lines in <code><thead><li> Each title cell is recommended to use <code><th> instead of <code><td>
<li> Can be enhanced with <code>scope="col" or scope="row"
For example:
<head>
<tr>
<th scope="col">Name</th>
<th scope="col">Age</th>
<th scope="col">city</th>
</tr>
</head>
Is <tbody> necessary? Actually, it is recommended to write
Although the HTML specification allows you not to write <tbody> , adding it will make the structure clearer. Especially when there is a lot of content on the table or needs to be processed in chunks, <tbody> is very useful. For example, you can add different background colors to different <tbody> through CSS, or group operation data in JavaScript.
- A table can have multiple
<tbody> (suitable for multiple sets of data) - Used for logical grouping, such as dividing sales data by quarter
- The default style will inherit from the browser, but it is easily modified by CSS
example:
<tbody>
<tr>
<td>Zhang San</td>
<td>28</td>
<td>Beijing</td>
</tr>
</tbody>
Where to put <tfoot> ? Can be in front of <tbody> !
Many people think <tfoot> must appear at the end of the table. In fact, in HTML, <tfoot> can be placed before <tbody> , and the browser will still display it at the bottom of the table when rendering. This has no effect on SEO and semantic structure, but it may be necessary to pay attention to whether the order is reasonable in development.
- Suitable for placing aggregate information such as totals, averages, etc.
- Can be placed between
<thead> and <tbody> - If multiple
<tbody> is used, <tfoot> is usually placed at the end
Example:
<tfoot>
<tr>
<td colspan="2">Total</td>
<td>3 people</td>
</tr>
</tfoot>
In general, the correct use of these three parts not only improves semantic clarity, but also makes the table easier to maintain and expand. As long as you pay attention to the structural order, label nesting and appropriate use of semantic properties, you can write an HTML table that is both beautiful and practical. Basically all this is not complicated but easy to ignore.
The above is the detailed content of How to structure the semantic parts of an html table (thead, tbody, tfoot)?. For more information, please follow other related articles on the PHP Chinese website!
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