Screen.colorDepth - Web APIs 编辑

The Screen.colorDepth read-only property 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
}

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• Screen.pixelDepth