Run results for: Palindrome checker

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36

Browser: Chrome 89

Operating system: Mac OS X 11.2.3

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
simple palindrome	3067032.0 Ops/sec
not palindrome	2906642.0 Ops/sec

Script Preparation code:

function isPalindrome(input) {
  if (input.length <= 1) {
    return true;
  } else {
    return (input[0] === input[input.length-1]) &&
            isPalindrome(input.substring(1,input.length-1));
  }
}

Tests:

simple palindrome
isPalindrome('hannah')
not palindrome
isPalindrome('hanffdfsssnah')

Run results for: Palindrome checker

simple palindrome

not palindrome