read-only property returns an
unsigned long long representing the moment,
in milliseconds since the UNIX epoch, the last HTTP redirect is completed, that is when
the last byte of the HTTP response has been received. If there is no redirect, or if one
of the redirect is not of the same origin, the value returned is
time = performanceTiming.redirectEnd;
The definition of 'PerformanceTiming.redirectEnd' in that specification.
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Performanceinterface it belongs to.