The Book of JavaScript, 2nd Edition

Screen

The screen object contains a number of read-only properties that provide information about the computer screen used to view a web page.

Properties

availHeight, availWidth

FF, IE 4

Read-only: Available height and width of the screen, in pixels. Excludes the taskbar in Windows systems and any other permanent screen elements.

Example:

var screen_height = screen.availHeight;

height, width	FF, IE 4	Read-only: Height and width of the screen in pixels
colorDepth	FF, IE 4	Read-only: Number of colors on the screen (bits per pixel in IE, natural log in FF)
pixelDepth	FF, IE 4	Read-only: Bits per pixel