i. Nodejs helps a user to develop scalable network applications. It delivers efficiency along with with event-driven, non-blocking I/O model, which has been proved ideal for real-time data-intensive applications. Node.js is a platform, which runs on the server side and can also collaborate with
Angularjs.
But Angularjs has only client-side performance optimisation capabilities.
ii.Node.js is a lightweight single layered approach.
But angular is two layered hence much overhead traffic to set back the response.