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Array reverse() method with example in JavaScript
JavaScript reverse() method: Here, we are going to learn about the reverse() method of array in JavaScript.
Submitted by IncludeHelp, on February 28, 2019
JavaScript reverse() method
reverse() method is used to reverse the order of the elements in an array, it changes the actual array and also returns an array with reversed elements.
Syntax:
array_name.reverse();
Parameters: None
Return value: Array with reversed elements.
Example:
Input:
var arr1 = [10, 20, 30, 40, 50];
Function call:
arr1.reverse();
Output:
50,40,30,20,10
JavaScript Code to demonstrate example of Array.reverse() method
<html>
<head>
<title>JavaScipt Example</title>
</head>
<body>
<script>
var arr1 = [10, 20, 30, 40, 50];
var arr2 = ["Amit", "Ankur", "Akash"];
//printing arrays before the reversing elements
document.write("arr1: " + arr1 + "<br>");
document.write("arr1 length: " + arr1.length + "<br>");
document.write("arr2: " + arr2 + "<br>");
document.write("arr2 length: " + arr2.length + "<br>");
//reversing arrays
arr1.reverse();
arr2.reverse();
//printing
document.write("<br>After reversing ...<br><br>");
document.write("arr1: " + arr1 + "<br>");
document.write("arr2: " + arr2 + "<br>");
</script>
</body>
</html>
Output
arr1: 10,20,30,40,50
arr1 length: 5
arr2: Amit,Ankur,Akash
arr2 length: 3
After reversing ...
arr1: 50,40,30,20,10
arr2: Akash,Ankur,Amit
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