JS & DOM Reference
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Screen colorDepth Property
Screen Object
Definition and Usage
The colorDepth property returns the bit depth of the color palette for displaying images (in bits per pixel).
Syntax
Browser Support
The colorDepth property is supported in all major browsers.
Examples
Example 1
Return the bit depth of the color palette:
document.write("Color Depth: " + screen.colorDepth);
</script>
The output of the code above will be:
Try it yourself »
Example 2
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"
</script>
Try it yourself »
More Examples
All screen properties in one example
Screen Object
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