Window innerWidth

Example

Get window width:

let width = window.innerWidth;
Try it Yourself »
let width = innerWidth;
Try it Yourself »

More examples below.


Description

The innerWidth property returns the width of a window's content area.

The innerWidth property is read-only.


Syntax

window.innerWidth
or just:
innerWidth

Return Value

Type Description
A numberThe the inner width of the browser window's content area in pixels.


More Examples

All height and width properties:

let text =
"<p>innerWidth: " + window.innerWidth + "</p>" +
"<p>innerHeight: " + window.innerHeight + "</p>" +
"<p>outerWidth: " + window.outerWidth + "</p>" +
"<p>outerHeight: " + window.outerHeight + "</p>";
Try it Yourself »

Browser Support

window.innerWidth is supported in all browsers:

Chrome Edge Firefox Safari Opera IE
Yes Yes Yes Yes Yes 9-11


Copyright 1999-2023 by Refsnes Data. All Rights Reserved.