• https://cdn.bootcdn.net/ajax/libs/angular.js/2.0.0-alpha.29/angular2.dev.js
• https://cdn.bootcdn.net/ajax/libs/angular.js/2.0.0-alpha.29/angular2.js
• https://cdn.bootcdn.net/ajax/libs/angular.js/2.0.0-alpha.29/angular2.min.js
• https://cdn.bootcdn.net/ajax/libs/angular.js/2.0.0-alpha.29/angular2.sfx.dev.js