:indeterminate

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.

:indeterminate CSS 伪类表示任意的状态不确定的表单元素,例如那些将 HTML indeterminate 属性设置为 true 的复选框,以及属于某个组且该组中所有单选按钮都未选中的单选按钮,还有不确定状态的 <progress> 元素。

css
/* 选中任意的状态不确定的 <input> */
input:indeterminate {
  background: lime;
}

此选择器针对的元素是:

语法

:indeterminate

示例

复选框和单选按钮

这个示例将特殊样式应用于与不确定表单字段关联的标签。

HTML

html
<fieldset>
  <legend>Checkbox</legend>
  <div>
    <input type="checkbox" id="checkbox" />
    <label for="checkbox">This checkbox label starts out lime.</label>
  </div>
</fieldset>

<fieldset>
  <legend>Radio</legend>
  <div>
    <input type="radio" id="radio1" name="radioButton" value="val1" />
    <label for="radio1">First radio label starts out lime.</label>
  </div>
  <div>
    <input type="radio" id="radio2" name="radioButton" value="val2" />
    <label for="radio2">Second radio label also starts out lime.</label>
  </div>
</fieldset>

CSS

css
input:indeterminate + label {
  background: lime;
}

JavaScript

js
const inputs = document.getElementsByTagName("input");

for (let i = 0; i < inputs.length; i++) {
  inputs[i].indeterminate = true;
}

结果

进度条

HTML

html
<progress></progress>

CSS

css
progress {
  margin: 4px;
}

progress:indeterminate {
  width: 80vw;
  height: 20px;
}

结果

规范

Specification
HTML
# selector-indeterminate
Selectors Level 4
# indeterminate-pseudo

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
:indeterminate
Applies to <input type="checkbox"> elements
Applies to <progress> elements
Applies to <input type="radio"> elements

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

参见