PerformanceEntry.entryType

The entryType property returns the performance entry's type. The valid entryType values are:

• "frame" - the performance entry is a PerformanceFrameTiming object.
• "mark" - the performance entry is a PerformanceMark object.
• "measure" - the performance entry is a PerformanceMeasure object.
• "navigation" - the performance entry is a PerformanceNavigationTiming object.
• "resource" - the performance entry is a PerformanceResourceTiming object.
• "server" - the performance entry is a PerformanceServerTiming object.

This property is Read only .

Syntax

entry.entryType;

Return value

A DOMString representing the type of interface the performance entry represents. The return value is one of the strings listed above.

Example

The following example shows the use of the entryType property.

function run_PerformanceEntry() {

  // check for feature support before continuing
  if (performance.mark === undefined) {
    console.log("performance.mark not supported");
    return;
  }

  // Create a performance entry named "begin" via the mark() method
  performance.mark("begin");
  
  // Check the entryType of all the "begin" entries
  var entriesNamedBegin = performance.getEntriesByName("begin");
	for (var i=0; i < entriesNamedBegin.length; i++) {
      var typeOfEntry = entriesNamedBegin[i].entryType;
      console.log("Entry is type: " + typeOfEntry);
  }

}

Specifications

Specification	Status	Comment
Performance Timeline Time Level 2 The definition of 'entryType' in that specification.	Editor's Draft
Performance Timeline The definition of 'entryType' in that specification.	Recommendation	Initial definition.

Browser compatibility