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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.
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a:hover text { fill: #0095DD; pointer-events: all;}
Properties
This interface has no properties but it extends the following PerformanceEntry properties by qualifying/constrainting 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
DOMHighResTimeStampwhenperformance.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
| Specification | Status | Comment |
|---|---|---|
| User Timing Level 2 The definition of 'PerformanceMark' in that specification. |
Working Draft | |
| User Timing The definition of 'PerformanceMark' in that specification. |
Recommendation | Basic definition. |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
PerformanceMark | Chrome Full support 43 | Edge Full support Yes | Firefox Full support 41 | IE Full support 10 | Opera Full support 33 | Safari Full support 11 | WebView Android Full support Yes | Chrome Android Full support Yes | Edge Mobile Full support Yes | Firefox Android Full support 42 | Opera Android Full support 33 | Safari iOS Full support 11 | Samsung Internet Android ? |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown