Returns the bit depth of the screen. Per the CSSOM, some implementations return 24
for compatibility reasons. See the browser compatibility section for those that don't.
Syntax
let depth = window.screen.pixelDepth
Example
// if there is not adequate bit depth // choose a simpler color if ( window.screen.pixelDepth > 8 ) { document.style.color = "#FAEBD7"; } else { document.style.color = "#FFFFFF"; }
Specifications
Specification | Status | Comment |
---|---|---|
CSS Object Model (CSSOM) View Module The definition of 'Screen.pixelDepth' in that specification. |
Working Draft | Initial definition. |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
pixelDepth | Chrome
Full support
40
| Edge Full support 12 | Firefox Full support Yes | IE ? | Opera Full support Yes | Safari Full support 6 | WebView Android
Full support
Yes
| Chrome Android
Full support
Yes
| Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android
Full support
Yes
|
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown
- See implementation notes.
- See implementation notes.