Check if give string is a palindrom

isPalindrom.js

function isPalindrom(string) {
  var palindrom = true;
  
  for ( i = 0; i < (string.length / 2); i++ ) {
    if ( string.charAt(i) != (string.charAt(string.length - i - 1)) ) {
      palindrom = false;
      break;
    }
  }
  
  if ( palindrom ) {
    console.log(string + ' is a palindrom');
  } else {
    console.log(string + ' is not a palindrom');
  } 
}

isPalindrom('radar');
isPalindrom('radars');