PerformanceTiming: loadEventStart property

{{APIRef("Performance API")}}{{Deprecated_Header}}

[!WARNING] This interface of this property is deprecated in the Navigation Timing Level 2 specification. Please use the {{domxref("PerformanceNavigationTiming")}} interface's {{domxref("PerformanceNavigationTiming.loadEventStart")}} read-only property instead.

The legacy PerformanceTiming.loadEventStart read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, when the {{domxref("Window/load_event", "load")}} event was sent for the current document. If this event has not yet been sent, it returns 0.

Value

An unsigned long long.

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• The {{domxref("PerformanceTiming")}} interface it belongs to.