Execute a Function on Hover Using JavaScript

In this tutorial we will see how to Execute a Function on Hover Using JavaScript. The onmouseover Event is used for this which is used to execute JavaScript code when mouse is hovered over any HTML element.


HTML Code is given below, This code contains H1 heading element.

<!DOCTYPE html>
<html lang="en">
<meta charset="utf-8">
<title>Execute Function on Hover Using JavaScript</title>
<h1 onmouseover="main()">Hover Over Me!</h1>

onmouseover Event

The onmouseover Event occurs when mouse is moved over or hovered over any HTML element.

It is used to execute a JavaScript code when mouse cursor hovers over any element.

It is supported by all major browsers.

JavaScript Code

In this example onmouseover event will trigger the main function when mouse cursor is hovered over the main h1 heading element. The main function will then display the message using the alert() method.

Take a look at the code given below.

function main()
    alert("Good Job :)");

Video Tutorial

Watch video tutorial and demo on how to Execute a Function on Hover Using JavaScript.

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