Shift-1

JavaScript Shift() function is used to remove the first element of array and return the same element. See code snippet:

<!DOCTYPE html>
<html>
<head>
<title>Welcome to LearnKode - A code learning platform</title>
</head>
<body>
 <button onclick="removeElement()">Remove the first element</button>

<p id="sample"></p>

<script>
var arr= ['abc', 'def', 'ghi', 'jkl'];
document.getElementById("sample").innerHTML = arr;

function removeElement() {
    arr.shift();
    document.getElementById("sample").innerHTML = arr;
}
</script>

</body>
</html>

Output