To remove last array element in JavaScript, use the pop() method. JavaScript array pop() method removes the last element from an array and returns that element.
Example
You can try to run the following code to remove last array element −
<html>
<head>
<title>JavaScript Array pop Method</title>
</head>
<body>
<script>
var numbers = [40, 70, 80, 100];
var element = numbers.pop();
document.write("element is : " + element );
var element = numbers.pop();
document.write("<br />element is : " + element );
</script>
</body>
</html>Output
element is : 100 element is : 80