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Event timeStamp property.

Description

The event.timeStamp Event object property, contains the value of the DOM element, or descendant thereof, that initiated the event.

• Can be used to monitor event performance by comparing the difference of the event.timeStamp value at different points in the code.
• To determine the current time inside an event handler, use the Date.now() class method instead.

Syntax

Parameters

None.

Return

A Number object.

event.timeStamp Example Objects  <<  Top

Contains the value of the difference in milliseconds between the creation of this event by the browser and UTC (January 1, 1970).

When we click the button below twice or more a message is output displaying the elapsed time in milliseconds since the last click.

$(function(){
  var prev, elapsed;
  $('#btn7').on('click', function(event) {
    if ( prev ) {
      elapsed = event.timeStamp - prev;
      $('#div5').append('Elapsed time since last event: ' + elapsed + ' milliseconds.<br/ >');
    }
    prev = event.timeStamp;
  });
});

Related Tutorials

jQuery Advanced Tutorials - Lesson 5 - The Event Object

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