Performance.md

Performance

Namespace: SpawnDev.SpawnJS.JSObjects
Inherits: EventTarget
Source: JSObjects/Performance.cs
MDN Reference: Performance on MDN

The Performance interface provides access to performance-related information for the current page. https://developer.mozilla.org/en-US/docs/Web/API/Performance

Constructors

Signature	Description
Performance(SpawnJSObjectReference _ref)	Deserialization constructor

Properties

Property	Type	Access	Description
EventCounts	EventCounts	get
Memory	SpawnJSObject	get
Navigation	PerformanceNavigation	get
TimeOrigin	Number	get
Timing	PerformanceTiming	get

Methods

Method	Return Type	Description
ClearMarks()	void
ClearMeasures()	void
ClearResourceTimings()	void
GetEntries()	void
GetEntriesByName()	void
GetEntriesByType()	void
Mark()	void
Measure()	void
Now()	double	Returns a DOMHighResTimeStamp representing the number of milliseconds elapsed since a reference instant.
SetResourceTimingBufferSize()	void
ToJSON()	void

Events

Event	Type	Description
OnResourceTimingBufferFull	ActionEvent<Event>	The resourcetimingbufferfull event is fired when the browser's resource timing buffer is full.

Example

// Get the Performance object from the global scope
using var performance = JS.Get<Performance>("performance");

// Get a high-resolution timestamp (milliseconds since page load)
double now = performance.Now();
Console.WriteLine($"Time since page load: {now}ms");

// Measure execution time of an operation
double start = performance.Now();
// ... perform some work ...
double end = performance.Now();
Console.WriteLine($"Operation took {end - start:F2}ms");