Asked by: Aloia Burchard
asked in category: General Last Updated: 25th January, 2020

What is the use of addEventListener in JavaScript?

The addEventListener() method allows you to add event listeners on any HTML DOM object such as HTML elements, the HTML document, the window object, or other objects that support events, like the xmlHttpRequest object.

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Similarly, what does addEventListener do in JavaScript?

The addEventListener() is an inbuilt function in JavaScript which takes the event to listen for, and a second argument to be called whenever the described event gets fired. Any number of event handlers can be added to a single element without overwriting existing event handlers.

Subsequently, question is, what is an EventListener? An event listener is a procedure or function in a computer program that waits for an event to occur. The listener is programmed to react to an input or signal by calling the event's handler. The term event listener is often specific to Java and JavaScript.

Beside above, how do I use addEventListener?

Definition and Usage Tip: Use the document. removeEventListener() method to remove an event handler that has been attached with the addEventListener() method. Tip: Use the element. addEventListener() method to attach an event handler to a specified element.

What is the purpose of third argument of addEventListener method?

addEventListener listens for both capture phase and bubbling phase events. The third parameter (called useCapture in the specification) allows the programmer to specify which phase they want to use. In modern browsers, this defaults to false .

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