Summary
The PerformanceTiming
.responseStart
read-only property returns an unsigned long long
representing the moment in time (in milliseconds since the UNIX epoch) when the browser received the first byte of the response from the server, cache, or local resource.
Syntax
time = performanceTiming.responseStart;
Specifications
Specification | Status | Comment |
---|---|---|
Navigation Timing The definition of 'PerformanceTiming.responseStart' in that specification. |
Recommendation | Initial definition. |
Browser compatibility
See also
- The
PerformanceTiming
interface it belongs to.