11. Write a JavaScript function that checks whether a passed string is palindrome or not?
function palindrome(str) { var len = str.length; var mid = Math.floor(len/2); var retVal=true; for ( var i = 0; i < mid; i++ ) { if (str[i] !== str[len - 1 - i]) { // return false; retVal = false; } } if(retVal == true){ console.log(`${str} is Palindrome`); } else{ console.log(`${str} is not Palindrome`); } //return true; } palindrome("madam"); palindrome("run"); function isPalindrome(string) { if (string == string.split('').reverse().join('')) { console.log(string + ' is palindrome.'); } else { console.log(string + ' is not palindrome.'); } } isPalindrome("madam"); isPalindrome("run");