counter-reset
CSS
property resets a
CSS counter
to a given value.
The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.
注意:
The counter's value can be increased or decreased using the
counter-increment
CSS property.
/* Set "my-counter" to 0 */ counter-reset: my-counter; /* Set "my-counter" to -1 */ counter-reset: my-counter -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
property is specified as either one of the following:
<custom-ident>
naming the counter, followed optionally by an
<integer>
. You may specify as many counters to reset as you want, with each name or name-number pair separated by a space.
none
.
<custom-ident>
The name of the counter to reset.
<integer>
0
if not specified.
none
counter-reset
defined in a less specific rule.
| 初始值 |
none
|
|---|---|
| 适用于 | 所有元素 |
| 继承 | no |
| 计算值 | 如指定 |
| 动画类型 | discrete |
[ <custom-ident> <integer>? ]+ | none
h1 {
counter-reset: chapter section 1 page;
/* Sets the chapter and page counters to 0,
and the section counter to 1 */
}
| 规范 | 状态 | 注释 |
|---|---|---|
|
CSS Lists Module Level 3
The definition of 'counter-reset' in that specification. |
工作草案 | 无变化。 |
|
CSS Level 2 (Revision 1)
The definition of 'counter-reset' in that specification. |
推荐 | 初始定义。 |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
counter-reset
|
Chrome 完整支持 2 | Edge 完整支持 12 | Firefox 完整支持 1 | IE 完整支持 8 | Opera 完整支持 9.2 | Safari 完整支持 3 | WebView Android 完整支持 ≤37 | Chrome Android 完整支持 18 | Firefox Android 完整支持 25 | Opera Android 完整支持 10.1 | Safari iOS 完整支持 1 | Samsung Internet Android 完整支持 1.0 |
完整支持
counter-increment
counter-set
@counter-style
counter()
and
counters()
函数
content
property
<custom-ident>
counter-increment
counter-reset
counter-set