Definition and Usage
用法

This element defines a table caption. The <caption> tag must be inserted immediately after the <table> tag. You can specify only one caption per table. Usually the caption will be centered above the table.
这个元素可以给表格定义标题，<caption>标签必须在<table>标签后立即插入。你可为每个表格指定唯一的一个标题。一般情况下标题会出现在表格的上方

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Differences Between HTML and XHTML
在HTML和XHTML中的区别

The "align" attribute of the caption element was deprecated in HTML 4.01.
caption元素的"align"的属性在HTML4.01中不被推荐

The "align" attribute of the caption element is not supported in XHTML 1.0 Strict DTD.
在XHTML严密型DTD中"align"属性已经不被支持

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Example
实例

源代码	输出结果
<table border="1"> <caption>This is a caption</caption> <tr> <td>Cell 1</td> <td>Cell 2</td> </tr> </table>	This is a caption Cell 1 Cell 2

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Optional Attributes
可选属性

DTD indicates in which DTD the attribute is allowed. S=Strict, T=Transitional, and F=Frameset.
下表中的DTD列指明了被支持的DTD属性。S=Strict（精确的），T=Transitional（传统的），F=Frameset（框架）

属性	值	描述	DTD
align	left right top bottom	How to align the caption. Deprecated. Use styles instead. 对齐标题。[不推荐]使用样式取代	TF

Standard Attributes
标准属性

id, class, title, style, dir, lang, xml:lang

For a full description, go to Standard Attributes.
查看完整描述

Event Attributes
事件属性

onclick, ondblclick, onmousedown, onmouseup, onmouseover, onmousemove, onmouseout, onkeypress, onkeydown, onkeyup

For a full description, go to Event Attributes.
查看完整描述

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Try-It-Yourself Demos
演示

Table with a caption
This example demonstrates a table with a caption.
一个带有标题的表格

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