find_longest_word.js

function findLongestWord(str) {
	
//Split input by spaces
  var a = str.split(" "); // Use /\W|_/ instead to match non alphanumeric or underscore chars
	
//New array for lengths 
  var b = []; 	// c=""; for later returning which one (not needed for this exercise)											
  
 for (i=a.length-1; i>=0 ; i--){
	 
//Iterate trough "a" and save lengths to "b"
  b[i] = a[i].length;									
 //  if (c.length < a[i].length){c=a[i];} Will store which word is the longest in "c"
  }
  
//sort (longest first)
 function comp(d, e){									
  	return e - d;
   }
  b.sort(comp);

//return longest length
	return b[0] // + " chars: " + c; to return which one												
}

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