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
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";
}
Specification
| Specification | Status | Comment |
|---|---|---|
| CSS Object Model (CSSOM) View Module The definition of 'Screen.pixelDepth' in that specification. |
Working Draft |
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.