module.exports = {
	titleCase: function(str) {
		var splitStr = str.toLowerCase().split(' ');

		for (var i = 0; i < splitStr.length; i++) {
			// You do not need to check if i is larger than splitStr length, as your for does that for you
			// Assign it back to the array
			splitStr[i] =
				splitStr[i].charAt(0).toUpperCase() + splitStr[i].substring(1);
		}
		// Directly return the joined string
		return splitStr.join(' ');
	}
};