Obsolete
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
Note: Starting in Gecko 6.0, document.width
is no longer supported. Instead, use document.body.clientWidth
. See element.clientWidth
.
Returns the width of the <body>
element of the current document in pixels.
Not supported by Internet Explorer.
Syntax
pixels = document.width;
Example
function init() { alert("The width of the document is " + document.width + " pixels."); }
Alternatives
document.body.clientWidth /* width of <body> */ document.documentElement.clientWidth /* width of <html> */ window.innerWidth /* window's width */
Specification
HTML5
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.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
width | Chrome No support No | Edge No support No | Firefox No support No | IE ? | Opera ? | Safari ? | WebView Android No support No | Chrome Android No support No | Firefox Android No support No | Opera Android ? | Safari iOS ? | Samsung Internet Android No support No |
Legend
- No support
- No support
- Compatibility unknown
- Compatibility unknown
- Non-standard. Expect poor cross-browser support.
- Non-standard. Expect poor cross-browser support.
- Deprecated. Not for use in new websites.
- Deprecated. Not for use in new websites.