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JavaScript

Posted by CHIRAG MUTREJA
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CHIRAG MUTREJA
Full Stack JavaScript Techdegree Student 33 Points

Write a function to check whether a given string is a palindrome.

Write a function to check whether a given string is a palindrome.Note: A palindrome is a word that is the same when read backwards. e.g. kayak, madam

1 Answer

Yodit Nigusse
Yodit Nigusse
6,792 Points
Yodit Nigusse
Yodit Nigusse
6,792 Points

Given that you know about strings and that each characters in a string can be accessed by its index, you should be able to come up with a solution by yourself. Use for loop to come up with a solution. 

var candidatePalindrome =  prompt("Enter a word: ");
var n = candidatePalindrome.length - 1 ;

var isPalindrome = 1;
for (var i = 0; i <= n; i++) { 
  if (i < n-i && candidatePalindrome[i] !== candidatePalindrome[n-i]){
      isPalindrome = 0;
      break;
  }
}

if (isPalindrome){
   console.log("It is a Palindrome");
}else{
   console.log("It is not a Palindrome");
}

This problem can also be addressed with recursion. Can you think of a way?