Package-level declarations

Types

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sealed class EventCounts : ReadonlyMap<EventType<*>, JsInt>
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sealed interface NavigationTimingType
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The Performance interface provides access to performance-related information for the current page.

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open class PerformanceEntry

The PerformanceEntry object encapsulates a single performance metric that is part of the browser's performance timeline.

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The PerformanceEventTiming interface of the Event Timing API provides insights into the latency of certain event types triggered by user interaction.

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open class PerformanceMark(markName: String, markOptions: PerformanceMarkOptions = definedExternally) : PerformanceEntry

PerformanceMark is an interface for PerformanceEntry objects with an PerformanceEntry.entryType of 'mark'.

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PerformanceMeasure is an abstract interface for PerformanceEntry objects with an PerformanceEntry.entryType of 'measure'.

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The PerformanceNavigationTiming interface provides methods and properties to store and retrieve metrics regarding the browser's document navigation events.

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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.

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The PerformanceObserverEntryList interface is a list of PerformanceEntry that were explicitly observed via the PerformanceObserver.observe method.

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The PerformancePaintTiming interface provides timing information about 'paint' (also called 'render') operations during web page construction.

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The PerformanceResourceTiming interface enables retrieval and analysis of detailed network timing data regarding the loading of an application's resources.

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The PerformanceServerTiming interface surfaces server metrics that are sent with the response in the Server-Timing HTTP header.

Properties

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