node-intro-Q&A

Question 1

What is Node.js?

Answer 1

As an asynchronous event-driven JavaScript runtime, Node.js is designed to build scalable network applications.

Question 2

What can Node.js be used for?

Answer 2

primarily used for non-blocking, event-driven servers, due to its single-threaded nature. It’s used for traditional web sites and back-end API services, but was designed with real-time, push-based architectures in mind.

Question 3

What is a REPL?

Answer 3

A read–eval–print loop, also termed an interactive toplevel or language shell, is a simple interactive computer programming environment that takes single user inputs, executes them, and returns the result to the user; a program written in a REPL environment is executed piecewise.

Question 4

When was Node.js created?

Answer 4

May 27, 2009

Question 5

What back end languages have you heard of?

Answer 5

Node, python, C#, C++, PHP, Ruby