Window screenLeft property

Definition and usage

screenLeft The property returns the x (horizontal) position of the window relative to the screen.

See also:

screenTop property

screenX property

screenY property

Example

Return the x and y coordinates of the window:

let x = window.screenLeft;
let y = window.screenTop;

Try it yourself

Syntax

window.screenLeft

Return value

Type Description
Number Window relative to the screen xPosition (horizontal) in pixels.

Browser support

All browsers support window.screenLeft：

Chrome IE Edge Firefox Safari Opera
Chrome IE Edge Firefox Safari Opera
Supported 11 Supported Supported Supported Supported

window.screenLeft Not supported in Firefox before version 64 (November 2018).