URL parameters

Question 1

How do you add a parameter to a URL?

Answer 1

URL/endpoint/:parameter_name

Question 2

How do you access the value in a parameter?

Answer 2

req.params.parameter_name

Question 3

How do you make a parameter optional?

Answer 3

URL/endpoint/:parameter_name?

Question 4

How do you use Vanilla JS to find an element in an array?

Answer 4

array.find((el) => el === key);