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
| 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. |