counter-reset
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
尝试一下
备注:计数器的值能够通过 CSS 属性 counter-increment
控制递增或递减。
语法
css
/* Set counter-name to 0 */
counter-reset: counter-name;
/* Set counter-name to -1 */
counter-reset: counter-name -1;
/* Set counter1 to 1, and counter2 to 4 */
counter-reset: counter1 1 counter2 4;
/* Cancel any reset that could have been set in less specific rules */
counter-reset: none;
/* Global values */
counter-reset: inherit;
counter-reset: initial;
counter-reset: unset;
counter-reset
属性可以指定为以下之一:
<自定义 ID> [<数值>]
。你可以指定任意数量的计数器进行重置,每个名称或“名称 - 数字”对之间用空格分隔。- 特殊值
none
。
可选值
<custom-ident>
-
要递增的计数器的名称。
备注:该名称由不区分大小写的字母 a 到 z,数字 0 到 9,下划线(_)和 / 或短划线( - )的组合组成,并且第一个非破折号字符必须是一个字母(即,在它的开头没有数字,即使前面有破折号)。此外,在标识符的开头禁止使用两个破折号。在任何案例组合中都不能是 none,unset,initial 或 inherit。
语法形式
示例
css
h1 {
counter-reset: chapter section 1 page;
/* Sets the chapter and page counters to 0
and the section counter to 1. */
}
规范
Specification |
---|
CSS Lists and Counters Module Level 3 # counter-reset |
浏览器兼容性
BCD tables only load in the browser
参考
- CSS Counters,
counter-increment
counter-increment
counter-set
@counter-style
counter()
andcounters()
functionscontent
property