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
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.
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. |