Algorithm to Determine if a String is a Palindrome

In order to determine if a given string is a palindrome, you can follow the below algorithm:

    
      function isPalindrome(str) {
        let leftIndex = 0;
        let rightIndex = str.length - 1;
        
        while (leftIndex < rightIndex) {
          if (str[leftIndex] !== str[rightIndex]) {
            return false;
          }
          leftIndex++;
          rightIndex--;
        }
        
        return true;
      }
      
      let inputString = "Your input string here";
      if (isPalindrome(inputString)) {
        console.log("The string is a palindrome.");
      } else {
        console.log("The string is not a palindrome.");
      }
    
  

This algorithm compares characters from the start and end of the string, moving towards the center to determine if it is a palindrome. It returns true if the string is a palindrome, and false otherwise.