web api instance property
PerformanceTiming: responseStart property
[!WARNING] This interface of this property is deprecated in the Navigation Timing Level 2 specification. Please use the
PerformanceNavigationTiminginterface instead.
The legacy
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.
Value
An unsigned long long.
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.
See also
- The
PerformanceTiminginterface it belongs to.