How are event handlers utilized in JavaScript?

Web Development
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How are event handlers utilized in JavaScript?

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Events are actions or occurrences that happen in the system you are programming, which the system tells you about so you can respond to them in some way if desired. For example, if the user selects a button on a webpage, you might want to respond to that action by displaying an information box. In this article, we discuss some important concepts surrounding events, and look at how they work in browsers. This won’t be an exhaustive study; just what you need to know at this stage.

You can utilise them by binding them to a callback function to do a specific task on a particular event.