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    The Coordinates.speed read-only property is a double representing the velocity of the device in meters per second. This value is null if the implementation is not able to measure it.


    speed = coordinates.speed


    Specification Status Comment
    Geolocation API
    The definition of 'Coordinates.speed' in that specification.
    Recommendation Initial specification.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support 5 3.5 (1.9.1) 9 10.60
    Removed in 15.0
    Reintroduced in 16.0
    Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support ? ? 4.0 (4) ? 10.60 ?

    See also

    Document Tags and Contributors

    Contributors to this page: tregagnon, fscholz, teoli
    Last updated by: fscholz,