Definition and Usage
The :indeterminate CSS pseudo-class represents any <input type="checkbox"> element whose indeterminate DOM property is set to true by JavaScript. In addition, in some browsers, it can be used to match to <progress> elements in an indeterminate state.
Examples
<style>
input, span { background: red }
:indeterminate, :indeterminate + span { background: limegreen }
</style>
<p><input type=checkbox> <span>Everything in this paragraph should have a green background.</span></p>
<script> document.getElementsByTagName("input")[0].indeterminate = true; </script>
Compatibility
Desktop browsers
| Feature |
Chrome |
Firefox (Gecko) |
Internet Explorer |
Opera |
Safari |
type="checkbox" |
(Yes) |
3.6 (1.9.2) |
9.0 |
10.60 (2.6) |
3.0 |
<progress>
|
6.0 |
6.0 (6.0) |
10 |
NA |
5.2 |
Mobile browsers
| Feature |
Android |
Firefox Mobile (Gecko) |
IE Mobile |
Opera Mobile |
Safari Mobile |
type="checkbox" |
NA |
1.0 (1.9.2) |
NA |
NA |
NA |
<progress>
|
NA |
6.0 (6.0) |
NA |
NA |
NA |
