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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

Specification Status Comment
CSS Object Model (CSSOM) View Module
The definition of 'Screen.colorDepth' in that specification.
Working Draft  

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic supportChrome Full support Yes
Notes
Full support Yes
Notes
Notes Starting with version 59 this property is no longer required to always return 24.
Edge ? Firefox Full support YesIE ? Opera Full support YesSafari Full support YesWebView Android Full support Yes
Notes
Full support Yes
Notes
Notes Starting with version 59 this property is no longer required to always return 24.
Chrome Android Full support Yes
Notes
Full support Yes
Notes
Notes Starting with version 59 this property is no longer required to always return 24.
Edge Mobile ? Firefox Android Full support YesOpera Android Full support YesSafari iOS ? Samsung Internet Android Full support Yes

Legend

Full support  
Full support
Compatibility unknown  
Compatibility unknown
See implementation notes.
See implementation notes.

See also

Etiquetas y colaboradores del documento

Última actualización por: connorshea,