JavaScript Window Screen
The window.screen object contains information about the user's screen.
Window Screen
The window.screen object can be used without the window prefix.
Some properties:
screen.availWidth- Available screen widthscreen.availHeight- Available screen height
Window Screen Available Width
The screen.availWidth property returns the width of the visitor's screen in pixels, minus interface features like the window taskbar.
Example
Return the available width of your screen:
<script>
document.write("Available Width: " + screen.availWidth);
</script>
The above code outputs:
document.write("Available Width: " + screen.availWidth);
Window Screen Available Height
The screen.availHeight property returns the height of the visitor's screen in pixels, minus interface features like the window taskbar.
Example
Return the available height of your screen:
<script>
document.write("Available Height: " + screen.availHeight);
</script>
The above code will output:
document.write("Available Height: " + screen.availHeight);