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    The Window.screenX read-only property returns the horizontal distance, in CSS pixels, of the left border of the user's browser from the left side of the screen.


    lLoc = window.screenX 
    • lLoc is the number of CSS pixels from the left side the screen.


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

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support (Yes) (Yes) [1] (Yes) (Yes) (Yes)
    Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support (Yes) (Yes) (Yes) [1] (Yes) (Yes) (Yes)

    [1] Before Firefox 28, Gecko was using device pixels instead of CSS pixels; in other words, it was assuming a value of screenPixelsPerCSSPixel of 1 for any device.

    See also

    Document Tags and Contributors

    Contributors to this page: Sheppy, fscholz, teoli, Np, ethertank, Mgjbot, Dria, JesseW, iamanupmenon
    Last updated by: fscholz,
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