Event Handlers vs Event Listeners in JavaScript

Did you know there is a difference between event handlers and event listeners?

In JavaScript, an event can be e.g. a button click or a mouse hover over. It is important to respond to the events e.g. by showing a modal when a button is clicked.

Today you will learn the two ways to handle events in JavaScript in a nutshell. In addition, I will discuss what is the small difference between the two and which one should you use.

In JavaScript, you can handle events in one of two possible ways:

• Event handlers
• Event listeners

Event Handlers

To use an event handler, use one of the EventHandler properties of an object. Here is an example of using one called onclick.

The onclick event handler is triggered when a user clicks on a button. As a result, "Button clicked." is output…