Functions
Comes up in: Recruiter screen
This concept is being written. It gets the full five steps — explanation, predict, interview angle, practice with tests, and review cards. Here is exactly what it will cover, so you can study it elsewhere in the meantime.
What it covers
- declaring and calling
- parameters vs arguments
- return values
- default parameters
- arrow functions
- scope (block vs function, intro)
- pure functions
Words you will know
What you will practise
- write 6 small functions with tests
Interview questions this answers
- What does
mapreturn? How is it different fromforEach?