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counter-reset

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CSS counter-reset 属性


实例

对部分和子部分进行编号(比如 "Section 1"、"1.1"、"1.2")的方法:

body
{
counter-reset:section;
}

h1
{
counter-reset:subsection;
}

h1:before
{
counter-increment:section;
content:"Section " counter(section) ". ";
}

h2:before
{
counter-increment:subsection;
content:counter(section) "." counter(subsection) " ";
}


属性定义及使用说明

counter-reset属性创建或重置一个或多个计数器。

counter-reset属性通常是和counter-increment属性,content属性一起使用。

默认值: none
继承: no
版本: CSS2
JavaScript 语法: object.style.counterReset="subsection"


浏览器支持

Internet ExplorerFirefoxOperaGoogle ChromeSafari

所有主流浏览器都支持counter-reset属性。

注意: IE8只有指定!DOCTYPE才支持counter-reset属性。


属性值

说明
none 默认。不能对选择器的计数器进行重置
id number id 定义重置计数器的选择器、id 或 class。 number 可设置此选择器出现次数的计数器的值。可以是正数、零或负数。
inherit 规定应该从父元素继承 counter-reset 属性的值


相关文章

CSS reference: :before 伪元素

CSS reference: :after 伪元素

CSS reference: content 属性

CSS reference: counter-increment 属性

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