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

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

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

function titleCase(str) {
  var newStrAry = str.split(' ').map(function(word) {
    return word.charAt(0).toUpperCase() + word.slice(1).toLowerCase();
  });
  
  return newStrAry.join(' ');
}

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