JS constructors

Question 1

What does the new operator do?

Answer 1

create an instance of a user-defined object type or of one of the built-in object types that has a constructor function.

Question 2

What property of JavaScript functions can store shared behavior for instances created with new?

Answer 2

prototype property

Question 3

What does the instanceof operator do?

Answer 3

used to test if an object is of a given type/comparison operator