The JavaScript Array reverse() function reverses the elements order in an array
Following is the code for the array reverse() function −
Example
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.sample {
font-size: 20px;
font-weight: 500;
}
</style>
</head>
<body>
<h1>JavaScript Array reverse</h1>
<div class="sample"></div>
<button class="Btn">CLICK HERE</button>
<h3>
Click on the above button to reverse the array
</h3>
<script>
let fillEle = document.querySelector(".sample");
let arr = ["H", "E", "L", "L", "O"];
fillEle.innerHTML = arr;
document.querySelector(".Btn").addEventListener("click", () => {
fillEle.innerHTML = arr.reverse();
});
</script>
</body>
</html>Output

On clicking the “CLICK HERE” button −
