express-static

Question 1

What does express.static() return?

Answer 1

a function

Question 2

What is the local __dirname variable in a Node.js module?

Answer 2

Returns a string of the current directory name. 
Absolute path to folder that the module is in.

Question 3

What does the join() method of Node’s path module do?

Answer 3

Concatenates the elements and returns the string