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";
}
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More compact code:
element.addEventListener("click", function() {
document.getElementById("demo").innerHTML = "Hello World";
});
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More examples below.
Description
The addEventListener() method attaches an event handler to an element.
Element Methods
The removeEventListener() Method
Document Methods
The removeEventListener() Method
Tutorials
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);
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You can add different events to the same element:
element.addEventListener("mouseover", myFunction);
element.addEventListener("click", someOtherFunction);
element.addEventListener("mouseout", someOtherFunction);
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To pass parameter values, use an "anonymous function":
element.addEventListener("click", function() {
myFunction(p1, p2);
});
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Change the background color of a <button> element:
element.addEventListener("click", function() {
this.style.backgroundColor = "red";
});
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The difference between bubbling and capturing:
element1.addEventListener("click", myFunction, false);
element2.addEventListener("click", myFunction, true);
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Remove an event handler:
element.addEventListener("mousemove", myFunction);
element.removeEventListener("mousemove", myFunction);
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Browser Support
element.addEventListener() is a DOM Level 2 (2001) feature.
It is fully supported in all browsers:
| Chrome | Edge | Firefox | Safari | Opera | IE |
| Yes | Yes | Yes | Yes | Yes | 9-11 |
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