The disconnect() method of the PerformanceObserver interface is used to stop the performance observer from receiving any performance entry events.
Syntax
observer.disconnect();
Example
var observer = new PerformanceObserver(function(list, obj) {
var entries = list.getEntries();
for (var i=0; i < entries.length; i++) {
// Process "mark" and "frame" events
}
});
observer.observe({entryTypes: ["mark", "frame"]});
function perf_observer(list, observer) {
// Process the "measure" event
// ...
// Disable additional performance events
observer.disconnect();
}
var observer2 = new PerformanceObserver(perf_observer);
observer2.observe({entryTypes: ["measure"]});
Specifications
| Specification | Status | Comment |
|---|---|---|
| Performance Timeline Level 2 The definition of 'disconnect()' in that specification. |
Candidate Recommendation | Initial definition of disconnect() method. |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basic support | Chrome Full support 52 | Edge ? | Firefox Full support 57 | IE No support No | Opera Full support 39 | Safari Full support 11 | WebView Android No support No | Chrome Android Full support 52 | Edge Mobile ? | Firefox Android Full support 57 | Opera Android Full support 39 | Safari iOS Full support 11 | Samsung Internet Android ? |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown