isPalindrome.js

  public boolean isPalindrome(String word) {

    // create array
    char[] charArray = word.toCharArray();
    // create two index start and end
    for (int start = 0, end = word.length() - 1; start < end; ++start, --end){
      // check if the two values are  not the same
      if(charArray[start] != charArray[end]) return false;
    }
   return true;
}