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PerformanceObserver: disconnect() method

The disconnect() method of the PerformanceObserver interface is used to stop the performance observer from receiving any performance entry events.

Syntax

js

disconnect()

Parameters

None.

Return value

None (undefined).

Examples

Stopping a performance observer

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

js

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

Specification
Performance Timeline
# dom-performanceobserver-disconnect

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
disconnect 52 79 57 No 39 11 52 52 57 41 11 6.0

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https://developer.mozilla.org/en-US/docs/Web/API/PerformanceObserver/disconnect