AngularJS Title Case Filter

titleCase.js

/**

Transform a string to title case.

Usage:
{{ myString | titleCase }} 

*/

angular
    .module('filters', [])
    .filter('titleCase', toTitleCase);

function toTitleCase () {
	return function (str) {
		return str
	        .toLowerCase()
	        .split(' ')
	        .map(function(word) {
	            return word[0].toUpperCase() + word.substr(1);
	        })
	        .join(' ');
	}
}