kotlin-web/web.performance/PerformanceObserver

PerformanceObserver

open class PerformanceObserver(callback: PerformanceObserverCallback)(source)

The PerformanceObserver interface is used to observe performance measurement events and be notified of new PerformanceEntry as they are recorded in the browser's performance timeline.

MDN Reference

Constructors

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constructor(callback: PerformanceObserverCallback)

Types

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object Companion

Functions

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fun disconnect()

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

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fun observe(options: PerformanceObserverInit = definedExternally)

The observe() method of the PerformanceObserver interface is used to specify the set of performance entry types to observe.

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fun takeRecords(): PerformanceEntryList

The takeRecords() method of the PerformanceObserver interface returns the current list of PerformanceEntry objects stored in the performance observer, emptying it out.