PeformanceObserver.disconnect()

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2015.

La méthode disconnect() de l'interface PerformanceObserver est utilisée pour empêcher l'observateur de performances de recevoir tout événement d'entrée de performance.

Syntaxe

js
performanceObserver.disconnect();

Exemple

js
const observer = new PerformanceObserver(function (list, obj) {
  let entries = list.getEntries();
  for (let i = 0; i < entries.length; i++) {
    // Traiter les événements "mark" et "frame"
  }
});
observer.observe({ entryTypes: ["mark", "frame"] });

function perf_observer(list, observer) {
  // Traiter l'événement "measure".
  // ...
  // Désactiver les événements de performance supplémentaires
  observer.disconnect();
}
const observer2 = new PerformanceObserver(perf_observer);
observer2.observe({ entryTypes: ["measure"] });

Spécifications

Specification
Performance Timeline
# dom-performanceobserver-disconnect

Compatibilité des navigateurs

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
disconnect

Legend

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Full support
Full support