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PerformanceMark

PerformanceMark is an abstract interface for PerformanceEntry objects with an entryType of "mark". Entries of this type are created by calling performance.mark() to add a named DOMHighResTimeStamp (the mark) to the browser's performance timeline.

Note: This feature is available in Web Workers

Properties

This interface has no properties but it extends the following PerformanceEntry properties by qualifying/constraining the properties as follows:

PerformanceEntry.entryType

Returns "mark".

PerformanceEntry.name

Returns the name given to the mark when it was created via a call to performance.mark().

PerformanceEntry.startTime

Returns the DOMHighResTimeStamp when performance.mark() was called.

PerformanceEntry.duration

Returns "0". (A mark has no duration.)

Methods

This interface has no methods.

Example

See the example in Using the User Timing API.

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
PerformanceMark
43
12
41
10
33
11
43
43
42
33
11
4.0
PerformanceMark
76
79
No
No
63
14.1
79
76
No
54
14.5
12.0
detail
76
79
No
No
63
14.1
79
76
No
54
14.5
12.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/PerformanceMark