getMarks method

Returns performance marks and their associated timing values.

Syntax

var retVal = performance.getMarks(markName);

Parameters

markName [in, optional]

Type: DOMString

Name of the mark(s) to return.

retVal [out, retval]

Type: any

An array of performance mark names and their associated timing values.

Return value

Type: any

An array of performance mark names and their associated timing values.

Standards information

User Timing

Remarks

If a value for the markName parameter is specified, only marks matching that name are returned. If there are no marks with the specified name, this method returns an empty array.