Home >>Javascript Programs >Check number is palindrome or not in JavaScript
This tutorial provides how to check a number is a palindrome or not by using JavaScript.
A palindrome number is a number that resembles as same while reading them from backward also are called a palindrome. It is a number that remains the same meaning after rotation from left to right.
For example- 121, 3773, level, etc.
Let's take an example:
<html> <head> <script> function Palnum() { var rem, temp, final = 0; var number = Number(document.getElementById("N").value); temp = number; while(number>0) { rem = number%10; number = parseInt(number/10); final = final*10+rem; } if(final==temp) { window.alert("number is Palindrome"); } else { window.alert("number is not palindrome"); } } </script> </head> <body> <br> <h1>Check Whether a number is Palindrome or not</h1> Enter The Number :<input type="text" name="n" id = "N"/> <button onClick="Palnum()">submit</button> </body> </html>
Enter The Number :