标题端 | caption-side (Miscellaneous Level 2) - CSS 中文开发手册
caption-side
该caption-side CSS属性,将一个表的内容<caption>在指定的一面。这些值是相对于writing-mode表的。
/* Directional values */ caption-side: top; caption-side: bottom; /* Warning: non-standard values */ caption-side: left; caption-side: right; caption-side: top-outside; caption-side: bottom-outside; /* Global values */ caption-side: inherit; caption-side: initial; caption-side: unset;
Initial value | top |
---|---|
应用对象 | table-caption elements |
是否可继承 | yes |
媒体 | visual |
计算值 | as specified |
动画类型 | discrete |
规范顺序 | the unique non-ambiguous order defined by the formal grammar |
语法
值
top标题框应放置在表的上方。bottom标题框应放置在表下面。left标题框应放置在表的左侧。
注:这个值是为CSS 2提出的,但从最终的CSS 2.1规范中删除。这是不标准的。
right标题框应放置在表的右侧。
注:这个值是为CSS 2提出的,但从最终的CSS 2.1规范中删除。这是不标准的。
top-outside标题框应位于表格上方,而宽度和水平对齐行为不会绑定到表格的水平布局。
注:css 2.1规范注意到css 2规范描述了top值,该值将由该值在未来的规范中重新引入。
bottom-outside标题框应位于表格下方,而宽度和水平对齐行为不会绑定到表格的水平布局。
注:css 2.1规范注意到css 2规范描述了bottom值,该值将由该值在未来的规范中重新引入。
inherit
caption-side必须使用在父元素上定义的值。
形式语法
top | bottom | block-start | block-end | inline-start | inline-end
例
HTML
<table class="top"> <caption>Caption ABOVE the table</caption> <tr> <td>Some data</td> <td>Some more data</td> </tr> </table> <br> <table class="bottom"> <caption>Caption BELOW the table</caption> <tr> <td>Some data</td> <td>Some more data</td> </tr> </table>
CSS
.top caption { caption-side: top; } .bottom caption { caption-side: bottom; } table { border: 1px solid red; } td { border: 1px solid blue; }
结果
规范
Specification | Status | Comment |
---|---|---|
CSS Logical Properties Level 1The definition of ‘caption-side‘ in that specification. | Editor‘s Draft | Defines the top and bottom values as relative to the writing-mode value. |
CSS Level 2 (Revision 1)The definition of ‘caption-side‘ in that specification. | Recommendation | Initial definition. |
浏览器兼容性
Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | 1.0 | (Yes) | 1.0 | 8.0 | 4.0 | 1.0 |
left, right, top-outside and bottom-outside | No support | No support | (Yes) | No support | No support | No support |
top and bottom are relative to the writing-mode value | No support | No support | 42 (42) | No support | No support | No support |
Feature | Android | Edge | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | ? | ? | ? | (Yes) |
left, right, top-outside and bottom-outside | No support | No support | ? | No support | No support | No support |
top and bottom are relative to the writing-mode value | No support | No support | 42.0 (42) | No support | No support | No support |
标题端 | caption-side (Miscellaneous Level 2) - CSS 中文开发手册 - Break易站