Performance

external class Performance : EventTarget(source)

Provides access to performance-related information for the current page. It's part of the High Resolution Time API, but is enhanced by the Performance Timeline API, the Navigation Timing API, the User Timing API, and the Resource Timing API.

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Properties

eventCounts

val eventCounts: EventCounts

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onresourcetimingbufferfull

var onresourcetimingbufferfull: EventHandler<Event, Performance, Performance>?

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resourceTimingBufferFullEvent

val resourceTimingBufferFullEvent: EventInstance<Event, Performance, Performance>

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timeOrigin

val timeOrigin: DOMHighResTimeStamp

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Functions

clearMarks

fun clearMarks(markName: String = definedExternally)

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clearMeasures

fun clearMeasures(measureName: String = definedExternally)

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clearResourceTimings

fun clearResourceTimings()

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dispatchEvent

fun dispatchEvent(event: Event): Boolean

getEntries

fun getEntries(): PerformanceEntryList

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getEntriesByName

fun getEntriesByName(name: String, type: String = definedExternally): PerformanceEntryList

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getEntriesByType

fun getEntriesByType(type: String): PerformanceEntryList

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mark

fun mark(markName: String, markOptions: PerformanceMarkOptions = definedExternally): PerformanceMark

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measure

fun measure(measureName: String, startOrMeasureOptions: String = definedExternally, endMark: String = definedExternally): PerformanceMeasure

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fun measure(measureName: String, startOrMeasureOptions: PerformanceMeasureOptions, endMark: String = definedExternally): PerformanceMeasure

now

fun now(): DOMHighResTimeStamp

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setResourceTimingBufferSize

fun setResourceTimingBufferSize(maxSize: Int)

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toJSON

fun toJSON(): Any

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