Screen
The window.screen object contains information about the user's screen.
Window Screen
The window.screen
object can be written without the window like this.
screen.width
screen.height
screen.availWidth
screen.availHeight
screen.colorDepth
screen.pixelDepth
Window Screen Width
The screen.width
property returns the width of the visitor's screen in pixels.
Example
Display the width of the screen in pixels:
Result will be:Screen Width: 1360
Window Screen Height
The screen.height
property returns the height of the visitor's screen in pixels.
Example
Display the height of the screen in pixels:
Result will be:Screen Height: 768
Window Screen Available Width
The screen.availWidth
property returns the width of the visitor's screen, in pixels, minus interface features like the Windows Taskbar.
Example
Display the available width of the screen in pixels:
Result will be:Available Screen Width: 1360
Window Screen Available Height
The screen.availHeight
property returns the height of the visitor's screen, in pixels, minus interface features like the Windows Taskbar.
Example
Display the available height of the screen in pixels:
Result will be:Available Screen Height: 737
Window Screen Color Depth
The screen.colorDepth
property returns the number of bits used to display one color.
All modern computers use 24 bit or 32 bit hardware for color resolution:
24 bits = 16,777,216 different "True Colors"
32 bits = 4,294,967,296 different "Deep Colors"
Older computers used 16 bits: 65,536 different "High Colors" resolution.
Very old computers, and old cell phones used 8 bits: 256 different "VGA colors".
Example
Display the color depth of the screen in bits:
Result will be:Screen Color Depth: 24
The #rrggbb (rgb) values used in HTML represents "True Colors" (16,777,216 different colors)
Window Screen Pixel Depth
The screen.pixelDepth
property returns the pixel depth of the screen.
Example
Display the pixel depth of the screen in bits:
Result will be:Screen Pixel Depth: 24
For modern computers, Color Depth and Pixel Depth are equal.
Last updated
Was this helpful?