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Other References

CSSStyleDeclaration JS Conversion


HTML DOM Element addEventListener()

Examples

Add a click event to a <button> element:

element.addEventListener("click", myFunction);

function myFunction() {
  document.getElementById("demo").innerHTML = "Hello World";
}
Try it Yourself »

More compact code:

element.addEventListener("click", function() {
  document.getElementById("demo").innerHTML = "Hello World";
});
Try it Yourself »

More examples below.


Definition and Usage

The addEventListener() method attaches an event handler to an element.


Syntax

element.addEventListener(event, function, useCapture)

Parameters

Parameter Description
event Required.
The name of the event.
Do not use the "on" prefix.
Use "click" not "onclick".

The Complete List of DOM Events.
function Required.
The function to run when the event occurs.
useCapture Optional (default = false).
false - The handler is executed in the bubbling phase.
true - The handler is executed in the capturing phase.

Return Value

NONE


More Examples

You can add many events to the same element:

element.addEventListener("click", myFunction1);
element.addEventListener("click", myFunction2);
Try it Yourself »

You can add different events to the same element:

element.addEventListener("mouseover", myFunction);
element.addEventListener("click", someOtherFunction);
element.addEventListener("mouseout", someOtherFunction);
Try it Yourself »

To pass parameter values, use an "anonymous function":

element.addEventListener("click", function() {
  myFunction(p1, p2);
});
Try it Yourself »

Change the background color of a <button> element:

element.addEventListener("click", function() {
  this.style.backgroundColor = "red";
});
Try it Yourself »

The difference between bubbling and capturing:

element1.addEventListener("click", myFunction, false); element2.addEventListener("click", myFunction, true);
Try it Yourself »

Remove an event handler:

element.addEventListener("mousemove", myFunction);
element.removeEventListener("mousemove", myFunction);
Try it Yourself »

Browser Support

element.addEventListener() is a DOM Level 2 (2001) feature.

It is fully supported in all browsers:

Chrome IE Edge Firefox Safari Opera
Yes 9-11 Yes Yes Yes Yes