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/DOM

screen.colorDepth

Returns the color 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

bitDepth = window.screen.colorDepth

Example

// check the color depth of the screen
if ( window.screen.colorDepth < 8) {
  // use low-color version of page
} else { 
  // use regular, colorful page
}

Specification

Browser Compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support (Yes)[1] ? ? (Yes)[1] ?
Feature Android Webview Chrome for Android Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile
Basic support (Yes)[1] (Yes)[1] ? ? ? (Yes)[1] ?

[1] Beginning with Chrome 59/Opera 46 this property is no longer required to return 24.

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/screen/colorDepth