It totally depends on what do you want to work on either front-end or back-end. If you don’t have any particular in mind, then start with Node Js first because it is similar to Javascript, and also Angular Js is a bit confusing and the errors are unclear since it is still under development. Also, you need to have more knowledge before starting Angular Js otherwise you get more confused. Please learn MVC architecture before starting Node Js or Angular Js.
If you want to learn Node Js from an online course, you can register for this Node Js Course by Intellipaat that provides instructor-led training, hands-on projects, certification, and job assistance.
Also, watch this video on Node Js: