Return the provided string with the first letter of each word capitalized. Make sure the rest of the word is in lowercase.

titleCase.js

function titleCase(str) {
  var splitStr = str.split(" ");
  var newStr = [];
  for (i = 0; i < splitStr.length; i++) {
    var temp = splitStr[i];
    var fullTemp = temp[0].toUpperCase() + temp.substr(1, temp.length).toLowerCase();
    newStr.push(fullTemp); 
  }
  return newStr.join(" ");
}

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