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Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

Returns the distance in pixels from the left side of the main screen to the left side of the current screen.

Syntax

var left = window.screen.left;

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
left
Non-standard
Chrome No support NoEdge Full support YesFirefox Full support YesIE ? Opera No support NoSafari Full support YesWebView Android No support NoChrome Android No support NoFirefox Android Full support YesOpera Android No support NoSafari iOS ? Samsung Internet Android No support No

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
Non-standard. Expect poor cross-browser support.
Non-standard. Expect poor cross-browser support.

See also

文档标签和贡献者

最后编辑者: ExE-Boss,