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Screen.width

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Returns the width of the screen.

Syntax

lWidth = window.screen.width

Example

// crude way to check that the screen is at 1024x768
if (window.screen.width > 1000) {
  // resolution is below 10 x 7
}

Notes

Note that not all of the width given by this property may be available to the window itself. When other widgets occupy space that cannot be used by the window object, there is a difference in window.screen.width and window.screen.availWidth. See also window.screen.height.

Internet Explorer will take into account the zoom setting when reporting the screen width. It will only return the real width of the screen if the zoom is set to 100%.

Specification

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

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support (Yes) (Yes) 6 (Yes) (Yes)
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support ? ? (Yes) (Yes) ? ? ? (Yes)

Etiquetas y colaboradores del documento

 Colaboradores en esta página: cvrebert, teoli, Prachi_Dighe, ethertank, Sheppy, Gieron, Mgjbot, Gor1
 Última actualización por: cvrebert,