You can upgrade bits and pieces as you learn it: http://angularjs.blogspot.de/2015/08/angular-1-and-angular-2-coexistence.html http://angularjs.blogspot.de/2015

You can upgrade bits and pieces as you learn it: http://angularjs.blogspot.de/2015/08/angular-1-and-angular-2-coexistence.html http://angularjs.blogspot.de/2015/08/angular-1-and-angular-2... It will end up being no different than any other tech learning curve without breaking your application.