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
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 |
|---|
| User Timing Level 2 (User Timing 2) # performancemark |
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
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/PerformanceMark