PerformanceObserver: disconnect() method

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

The disconnect() method of the {{domxref('PerformanceObserver')}} interface is used to stop the performance observer from receiving any {{domxref("PerformanceEntry","performance entry", '', 'true')}} events.

Syntax

disconnect()

Parameters

None.

Return value

None ({{jsxref("undefined")}}).

Examples

Stopping a performance observer

The following example disconnects the performance observer to disable receiving any more performance entry events.

const observer = new PerformanceObserver((list, obj) => {
  list.getEntries().forEach((entry) => {
    // Process "measure" events
    // …
    // Disable additional performance events
    observer.disconnect();
  });
});
observer.observe({ entryTypes: ["mark", "measure"] });

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}