express-static

Question 1

What does express.static() return?

Answer 1

Static files… A middleware has to be a function.

Question 2

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

Answer 2

__dirname is an environment variable that tells you the absolute path of the directory containing the currently executing file.

Question 3

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

Answer 3

The path.join() method joins all given path segments together using the platform-specific separator as a delimiter, then normalizes the resulting path.