JSFiddle - React, Tailwind, and code Playground

by giovanni gokhan morkoc

HTML

<!DOCTYPE html>
<html>
<head>
<style>
#myDIV {
    background-color: coral;
    border: 1px solid;
    padding: 50px;
    color: white;
    font-size: 20px;
}
</style>
</head>
<body>

<h2>JavaScript removeEventListener()</h2>

<div id="myDIV">This div element has an onmousemove event handler that displays a random number every time you move your mouse inside this orange field.
  <p>Click the button to remove the div's event handler.</p>
  <button onclick="removeHandler()" id="myBtn">Remove</button>
</div>

<p id="demo"></p>

<script>


	var x = document.getElementById("myDIV");
    
    x.addEventListener("mouseover", function(){
    
    myFunction();
    
    });
	
    
    
    function myFunction(){
    
    document.getElementById("demo").innerHTML = Math.random();
    
    }
    
    
function removeHandler() {
    document.getElementById("myDIV").removeEventListener("mousemove", myFunction);
}
    
</script>

</body>
</html>