How TO - Get The Current Screen Size

Learn how to get the current screen size/browser window with JavaScript.

Current Screen Size

Use window.innerWidth and window.innerHeight to get the current screen size of a page.

This example displays the browser window's height and width (NOT including toolbars/scrollbars):

var w = window.innerWidth;
var h = window.innerHeight;

Read more about the window object in our JavaScript Window Tutorial.