Each available event has an event handler, which is a block of code (usually a JavaScript function that you as a programmer create) that runs when the event fires. When such a block of code is defined to run in response to an event, we say we are register

1) HTML event handler attributes. Event handlers typically have names that begin with on, for example, the event handler for the click event is onclick. To assign an event handler to an event associated with an HTML element, you can use an HTML attribute

Event Handler: Description: onclick: This event handler invokes a JavaScript code when a click action happens on an HTML element. E.g., when we click a button, a link is pushed, a checkbox checks or an image map is selected, it can trigger the onClick eve