PerformanceMark
is an abstract interface for performance entries
with an entry type
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.
The PerformanceMark
interface has no properties, no methods nor any constructors. However, it qualifies and constrains the following PerformanceEntry
properties for "mark
" type performance entries
: name
, entryType
, startTime
and duration
.
This interface has no properties but it extends the following PerformanceEntry
properties by qualifying/constrainting the properties as follows:
entryType
mark
".name
name
given to the mark when it was created via a call to performance.mark()
.startTime
DOMHighResTimeStamp
when performance.mark()
was called.duration
0
" (a mark has no duration).This interface has no methods.
See the example in Using the User Timing API.
Specification | Status | Comment |
---|---|---|
User Timing The definition of 'PerformanceMark' in that specification. | Editor's Draft | |
User Timing The definition of 'PerformanceMark' in that specification. | Recommendation | Basic definition. |
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 |
© 2005–2017 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/PerformanceMark