Node/express

Question 1

Routing refers to…

Answer 1

… determining how an application responds to a client request to a particular endpoint.

Question 2

What’s an endpoint?

Answer 2

A URI (or path) and a specific HTTP request method (GET, POST, and so on).

Question 3

What’s a route? (Express)

Answer 3

A combination of path and http verb.

Question 4

How is a route definition structured in express?

Answer 4

app.METHOD(PATH, HANDLER)
METHOD = http verb in lowercase
PATH = uri/ path on server
HANDLER = function to execute when route (path + method) is matched

Question 5

What four verbs are possible in routes in express?

Answer 5

Get, post, put, delete

Question 6

What are the two parameters of the handler function in an express route?

Answer 6

Request and response:
(req, res) => {
res.send(“response “)
}

Question 7

What is the method for using middleware in express?

Answer 7

app.use( )

Question 8

What’s the default path for app.use?

Answer 8

“/“ (meaning the root)

Question 9

How to serve static files in express?

Answer 9

app.use(express.static(‘public ’)
“Public” represents the root directory of where your static files are.