PerformanceTiming.responseStart - Web APIs 编辑

This interface of this property is deprecated in the Navigation Timing Level 2 specification. Please use the PerformanceNavigationTiming interface 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.

Syntax

time = performanceTiming.responseStart;

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• The PerformanceTiming interface it belongs to.