javascript-custom-methods

Question 1

What is a method?

Answer 1

A function which is a property of an object

Question 2

How can you tell the difference between a method definition and a method call?

Answer 2

Definition has the function keyword, parameters, and code block. Call is written with the object followed by dot notation, the name of the method and then the argument(s)

Question 3

Describe method definition syntax (structure).

Answer 3

Within the object, property: function keyword (optional parameters) {code block}

Question 4

Describe method call syntax (structure).

Answer 4

object.methodName(optional arguments)

Question 5

How is a method different from any other function?

Answer 5

A method is a property of an object

Question 6

What is the defining characteristic of Object-Oriented Programming?

Answer 6

Objects can contain both data (as properties) and behavior (as methods)

Question 7

What are the four “principles” of Object-Oriented Programming?

Answer 7

Abstraction, encapsulation, inheritance, polymorphism

Question 8

What is “abstraction”?

Answer 8

Being able to work with (possibly) complex things in simple ways

Question 9

What does API stand for?

Answer 9

Application Programming Interface

Question 10

What is the purpose of an API?

Answer 10

Constructs made available in programming languages to allow developers to create complex functionality more easily