Javascript Palindrone Function - Iterative approach w/ for loops

gistfile1.js

function isPalindrone(word) {
  let lettersCounter = 1;
  for(let i = 0; i < word.length; i++) {
    if(word[i] == word[word.length - lettersCounter]) {
      lettersCounter++;

      if (lettersCounter == word.length) {
           return true;
      }
    }
    else {
      return false;
    }
  }
}

console.log(isPalindrone('racecar'));