akasha.perf

Class PerformanceObserver

java.lang.Object

akasha.core.JsObject

akasha.perf.PerformanceObserver

@Generated(value="org.realityforge.webtack")
 @JsType(isNative=true,
        namespace="<global>",
        name="PerformanceObserver")
public class PerformanceObserver
extends JsObject

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

See Also:

PerformanceObserver - MDN, (Performance Timeline 2) # dom-performanceobserver

Constructor Summary

Constructors

Constructor and Description
PerformanceObserver(PerformanceObserverCallback callback) The PerformanceObserver() constructor creates a new PerformanceObserver object with the given observer callback.

Method Summary

Modifier and Type	Method and Description
void	disconnect() The disconnect() method of the PerformanceObserver interface is used to stop the performance observer from receiving any performance entry events.
void	observe() The observe() method of the PerformanceObserver interface is used to specify the set of performance entry types to observe.
void	observe(PerformanceObserverInit options) The observe() method of the PerformanceObserver interface is used to specify the set of performance entry types to observe.
static JsArray<java.lang.String>	supportedEntryTypes()
@JsNonNull JsArray<PerformanceEntry>	takeRecords() The takeRecords() method of the PerformanceObserver interface returns the current list of performance entries stored in the performance observer, emptying it out.

Methods inherited from class akasha.core.JsObject

assign, create, create, defineProperties, defineProperty, defineProperty, entries, freeze, fromEntries, getOwnPropertyDescriptor, getOwnPropertyDescriptor, getOwnPropertyDescriptors, getOwnPropertyNames, getOwnPropertySymbols, getPrototypeOf, hasOwnProperty, hasOwnProperty, is, isExtensible, isFrozen, isPrototypeOf, isSealed, keys, preventExtensions, propertyIsEnumerable, seal, setPrototypeOf, toString_, valueOf_, values

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PerformanceObserver

public PerformanceObserver(@Nonnull
                           PerformanceObserverCallback callback)

The PerformanceObserver() constructor creates a new PerformanceObserver object with the given observer callback. The observer callback is invoked when performance entry events are recorded for the entry types that have been registered, via the observe() method.

See Also:

PerformanceObserver.PerformanceObserver - MDN, PerformanceObserver() - Performance Timeline Level 2

Method Detail

supportedEntryTypes

@JsProperty(name="supportedEntryTypes")
 @Nonnull
public static JsArray<java.lang.String> supportedEntryTypes()

disconnect

public void disconnect()

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

See Also:

PerformanceObserver.disconnect - MDN, disconnect() - Performance Timeline Level 2

observe

public void observe(@Nonnull
                    PerformanceObserverInit options)

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

See Also:

PerformanceObserver.observe - MDN, observe() - Performance Timeline Level 2

observe

public void observe()

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

See Also:

PerformanceObserver.observe - MDN, observe() - Performance Timeline Level 2

takeRecords

public @JsNonNull JsArray<PerformanceEntry> takeRecords()

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

See Also:

PerformanceObserver.takeRecords - MDN, takeRecords() - Performance Timeline Level 2