JS Constructors

Question 1

What does the instanceof operator do?

Answer 1

The instanceof operator tests to see if the prototype property of a constructor appears anywhere in the prototype chain of an object. The return value is a boolean value.

Question 2

What does the new operator do?

Answer 2

Creates a blank object

Sets the constrcutor of new object to other object

Passes new object as this

Returns this if the function does not return an object

Question 3

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

Answer 3

prototype property