functional programming concepts

1. What is functional programming?
   • building structure/elements of computer programs, using mathematical functions and dosnt change state/data
2. What is a pure function and how do we know if something is a pure function?
   • function will have same arguments and will return same results
3. What are the benefits of a pure function?
   • easier to test
4. What is immutability?
   • cant be altered
5. What is Referential transparency?
   • when function gives same result for similar input

## node js tutorial

1. What is a module?
   • separate file holding a function that can be passed to other files
2. What does the word ‘require’ do?
   • pulls another file to be used inside that file
3. How do we bring another module into the file the we are working in?
   • var = require(‘/blah’) in the app
4. What do we have to do to make a module available?
   • export it

cite

• Concepts of Functional Programming in Javascript(https://medium.com/the-renaissance-developer/concepts-of-functional-programming-in-javascript-6bc84220d2aa)

• node JS tutorial for beginners(https://www.youtube.com/watch?v=xHLd36QoS4k)