Your Search Results


    This is an experimental technology
    Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the spec changes.


    The Screen.unlockOrientation method removes all the previous screen locks set by the page/app.

    Note: This method only works for installed Web apps or for Web pages in full-screen mode.


    var unlocked = window.screen.unlockOrientation();

    Return value

    Returns true if the orientation was successfully unlocked or false if the orientation couldn't be unlocked.


    var unlockOrientation = screen.unlockOrientation || screen.mozUnlockOrientation || screen.msUnlockOrientation;
    if (unlockOrientation()) {
      // orientation was unlocked
    } else {
      // orientation unlock failed


    Specification Status Comment
    Screen Orientation API
    The definition of 'Screen Orientation' in that specification.
    Working Draft Draft specification

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support Not supported (Yes) moz 11 ms Not supported Not supported
    Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support Not supported Not supported (Yes) moz Not supported Not supported Not supported

    Gecko notes

    This API is currently in draft form. It is only implemented as a prefixed method (mozUnlockOrientation) in B2G and Firefox for Android.

    Trident notes

    This method is implemented using a prefix (msUnlockOrientation) in Internet Explorer for Windows 8.1 and Windows RT 8.1. It is not supported on Windows 7.

    See also

    Document Tags and Contributors

    Contributors to this page: justinpotts, Jeremie, dstorey, Prachi_Dighe, kscarfone, teoli
    Last updated by: teoli,