EventListener : Object

EventListener is an object that handles an event. It can be passed to addEventListener() instead of passing a Function. Any JavaScript object with a handleEvent method can be used as an EventListener.

Spec

Instance Methods

handleEvent(event : Event) : undefined

The method called when the event is raised.

Example:

<button id='myButton'>click</button>

<script>
  var myButton = document.getElementById('myButton');

  var listener = {
    name: 'foo',
    handleEvent: function(event) {
      console.log(this.name + ' handling ' + event.type);
    }
  };

  myButton.addEventListener('click', listener);
</script>

Run

Results:

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