Web/API/Window/outerWidth

Window.outerWidth read-only property returns the width of the outside of the browser window. It represents the width of the whole browser window including sidebar (if expanded), window chrome and window resizing borders/handles.

Notes

To change the size of a window, see window.resizeBy() and window.resizeTo().

To get the inner width of a window, i.e. the width of the page being displayed, see window.innerWidth.

Specification

Specification	Status	Comment
CSS Object Model (CSSOM) View ModuleThe definition of 'Window.outerWidth' in that specification.	Working Draft	Initial definition.

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
outerWidth	Chrome Full support 1	Edge Full support 12	Firefox Full support 1	IE Full support 9	Opera Full support 9	Safari Full support 3	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android Full support 4	Opera Android Full support 10.1	Safari iOS Full support 3	Samsung Internet Android Full support Yes

Legend

Full support  

Full support

See also

• window.outerHeight, window.innerHeight, window.innerWidth
• window.resizeBy(), window.resizeTo()

Window.outerWidth by Mozilla Contributors is licensed under CC-BY-SA 2.5.