express-static

Question 1

What does express.static() return?

Answer 1

it returns a middleware function

Question 2

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

Answer 2

The absolute path to current module

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

path.join('/foo', 'bar', 'baz/asdf', 'quux', '..');
// Returns: '/foo/bar/baz/asdf'