http://www.freecodecamp.com/patrickcurl 's solution for Bonfire: Title Case a Sentence

bonfire-title-case-a-sentence#.js

// Bonfire: Title Case a Sentence
// Author: @patrickcurl
// Challenge: http://www.freecodecamp.com/challenges/bonfire-title-case-a-sentence#
// Learn to Code at Free Code Camp (www.freecodecamp.com)

function titleCase(str) {
  words = str.split(" ");
  for(var i=0;i<words.length;i++){
    words[i] = words[i].charAt(0).toUpperCase() + words[i].substr(1).toLowerCase();
  }
  return words.join(" ");
}

titleCase("I'm a little tea pot");