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Summary

Window.outerWidth gets 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.

This property is read-only; it has no default value.

Syntax

outWindowWidth = window.outerWidth;

On return, outWindowWidth is the width of the outside of the window.

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.

Browser compatibility

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Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari
Basic support 1 (Yes) 1.0 (1.7 or earlier) 9 9 3
Feature Android Edge Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support 1 (Yes) 1.0 (1.0) 9 9 3

Specification

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

See also

Document Tags and Contributors

Last updated by: erikadoyle,