Performance.clearMarks()
The clearMarks()
method removes the named mark from the browser's performance entry buffer. If the method is called with no arguments, all performance entries
with an entry type
of "mark
" will be removed from the performance entry buffer.
Syntax
JavaScript
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performance.clearMarks(); performance.clearMarks(name);
Arguments
- name Optional
- A
DOMString
representing the name of the timestamp. If this argument is omitted, allperformance entries
with anentry type
of "mark
" will be removed.
Return value
- void
Example
The following example shows both uses of the clearMarks()
method.
JavaScript
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function clear_mark(name) { if (performance.clearMarks === undefined) { console.log("performance.clearMarks Not supported"); return; } // Remove all "mark" performance entry types with the specified name performance.clearMarks(name); } function clear_all_marks() { if (performance.clearMarks === undefined) { console.log("performance.clearMarks Not supported"); return; } // Remove all "mark" type performance entries from the performance buffer performance.clearMarks(); }
Specifications
Specification | Status | Comment |
---|---|---|
User Timing The definition of 'clearMarks()' in that specification. |
Editor's Draft | Clarifies clearMarks() . |
User Timing The definition of 'clearMarks()' in that specification. |
Recommendation | Basic definition. |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | 43.0 | 41 | 10 | 33 | No support |
Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Phone | Opera Mobile | Safari Mobile | Chrome for Android |
---|---|---|---|---|---|---|---|---|
Basic support | No support | 46.0 | 42 | 42 | 10 | 33 | No support | 46.0 |
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/performance/clearmarks