Screen.pixelDepth - Web APIs 编辑

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

let 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";
}

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• Screen.colorDepth