window.screen object has following important properties
- screen.width Return the User device screen width
- screen.height Return the User device screen width
- screen.availWidth Return the User device available screen width
- screen.availHeight Return the User device available screen height
- screen.colorDepth Return the User device screen color depth
- screen.pixelDepth Return the User device screen pixel depth
Below the code example of showing all of the above properties.
These are very useful information which can be used in responsive design of the Web and applications.