What is Node.js and why it is used?
Node.js, as open-source server environment, runs on various platforms such as Windows, Unix, Linux, etc. The anchor of the MEAN stack, Node.js is also one of the most popular server platforms in the world.
Why it is used?
- It is asynchronously programming, runs single-threaded, non-blocking which is very memory efficient.
- It can operate file various operations like create, open, write, read, delete, and close files on the server and can collect form data.
BY Best Interview Question ON 21 Feb 2021