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    PerformanceTiming.requestStart

    Summary

    The PerformanceTiming.requestStart read-only property returns an unsigned long long representing the moment, in miliseconds since the UNIX epoch, when the browser sent the request to obtain the actual document, from the server or from a cache. If the transport layer fails after the start of the request and the connection is reopened, this property will be set to the time corresponding to the new request.

    Syntax

    time = performanceTiming.requestStart;

    Specifications

    Specification Status Comment
    Navigation Timing
    The definition of 'PerformanceTiming.requestStart' in that specification.
    Recommendation Initial definition.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
    Basic support 6.0 7.0 (7.0) 9.0 15.0 Not supported
    Feature Android Firefox Mobile (Gecko) Firefox OS IE Phone Opera Mobile Safari Mobile
    Basic support Not supported 7.0 (7.0) 1.0 (7.0) 9.0 15.0 Not supported

    See also

    Document Tags and Contributors

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