Window screen.colorDepth
Example
Get the bit depth of the color palette:
let depth = screen.colorDepth;
Try it Yourself »
More "Try it Yourself" examples below.
Definition and Usage
The colorDepth property returns the screen's color depth.
The colorDepth property returns the depth in bits per pixel.
The colorDepth property is read-only.
Syntax
screen.colorDepth
Return Value
| Type | Description |
| A number | The depth of the screen's color palette in bits per pixel: 1, 4, 8, 15, 16, 24, 32, or 48. |
More Examples
Display an alternate background color for 8 bit screens (to avoid that 8 bit screens, which do not support the modern color, uses an ugly substitute color instead):
if (screen.colorDepth <= 8)
//simple blue background color for 8 bit screens
document.body.style.background = "#0000FF"
else
//fancy blue background color for modern screens
document.body.style.background = "#87CEFA"
Try it Yourself »
All screen properties:
let text = "Total width/height: " + screen.width + "*" + screen.height + "<br>" +
"Available width/height: " + screen.availWidth + "*" + screen.availHeight + "<br>" +
"Color depth: " + screen.colorDepth + "<br>" +
"Color resolution: " + screen.pixelDepth;
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Browser Support
screen.colorDepth is supported in all browsers:
| Chrome | IE | Edge | Firefox | Safari | Opera |
| Yes | Yes | Yes | Yes | Yes | Yes |
