Window screenTop

Return the x and y coordinates of the window:

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

Description

The screenTop property returns the y (vertical) position of the window relative to the screen.

window.screenTop

Type	Description
A number	The y (vertical) position of the window relative to the screen, in pixels.

window.screenTop is supported in all modern browsers:


Chrome	Edge	Firefox	Safari	Opera	IE
Yes	Yes	Yes	Yes	Yes	11

window.screenLeft was not supported in Firefox before version 64 (Nov 2018).