If you're just building components, the learning curve for Angular2 is no different. All in all, it takes about 20 lines of code to define a simple web compone

If you're just building components, the learning curve for Angular2 is no different. All in all, it takes about 20 lines of code to define a simple web component. If you're using either Angular2 or React for anything beyond trivial examples (ex, routing, AJAX, lazy loading, isomorphic rendering, etc), things become more complex.