express-static

Question 1

What does express.static() return?

Answer 1

A middleware function called serveStatic.

Question 2

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

Answer 2

The absolute path to the directory.

Question 3

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

Answer 3

It joins the absolute directory path with another directory to make static files from that directory accessible. It can go up or down absolute paths via /../ or /dirname.