6.Bonfire: Find the Longest Word in a String

Find the Longest Word in a String.txt

function findLongestWord(str) {
  str = str.split(' ');
  var longestWord = '';
  console.log(str);
  for (var i in str) {
      if (str[i].length >= longestWord.length) {
          longestWord = str[i];
          console.log(longestWord);
      }
  }
  return longestWord.length;
}

findLongestWord('The quick brown fox jumped over the lazy dog');