PerformanceObserver: disconnect() method
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
Note: This feature is available in Web Workers.
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
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