Is rails still relevant 2019?
What are callbacks in theatre?
How do you create an environment variable?
Is let and const hoisted?
Does js need a server?
Does facebook use server side rendering?
Is console a global object?
What is npm for?
What is g in npm install?
Why node js is faster?
Are promises better than callbacks?
Why node js is faster than php?
Why is yarn better than npm?
Is npm a framework?
How can you avoid callback hells?