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.
Definition and Usage
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 |