The disconnect()
method of the PerformanceObserver
interface is used to stop the performance observer from receiving any performance entry events.
observer.disconnect();
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"]});
Specification | Status | Comment |
---|---|---|
Performance Timeline Time Level 2 The definition of 'disconnect()' in that specification. | Editor's Draft | Initial definition of disconnect() method. |
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | 52 | 57 (57) | No support | 39 | No support |
Available on workers | 62 | (Yes) | (Yes) | 49 | (Yes) |
Feature | Android Webview | Chrome for Android | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | No support | 52 | 57.0 (57) | No support | 39 | No support |
Available on workers | No support | 62 | (Yes) | (Yes) | 49 | (Yes) |
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https://developer.mozilla.org/en-US/docs/Web/API/PerformanceObserver/disconnect