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


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

Returns "measure".
Returns the name given to the measure when it was created via a call to performance.measure().
Returns a timestamp given to the measure when performance.measure() was called.
Returns a DOMHighResTimeStamp that is the duration of the measure (typically, the measure's end mark timestamp minus its start mark timestamp).


This interface has no methods.


See the example in Using the User Timing API.


Specification Status Comment
User Timing Level 2
The definition of 'PerformanceMeasure' in that specification.
Working Draft  
User Timing
The definition of 'PerformanceMeasure' in that specification.
Recommendation Basic definition.

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support. 43 (Yes) 41 10 33 No support
Feature Android Edge Firefox Mobile (Gecko) Firefox OS IE Phone Opera Mobile Safari Mobile
Basic support. 46 (Yes) 42 42 10 33 No support

See also

Document Tags and Contributors

 Contributors to this page: jpmedley, abbycar, stephaniehobson, AFBarstow
 Last updated by: jpmedley,