javascript-custom-methods

Question 1

What is a method?

Answer 1

A function stored as a property inside an object.

Question 2

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

Answer 2

Method call has ( ).

Question 3

Describe method definition syntax (structure).

Answer 3

1. Method name;
2. Function keyword;
3. Parameters (optional);
4. Opening curly brace;
5. Code;
6. Closing curly brace.

Question 4

Describe method call syntax (structure).

Answer 4

1. Object;
2. Method name;
3. Arguments inside parentheses (optional).

Question 5

How is a method different from any other function?

Answer 5

It is a function stored inside an object as a property.

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

1. Abstraction;
2. Encapsulation;
3. Inheritance;
4. Polymorphism.

Question 8

What is “abstraction”?

Answer 8

Using something complex, in a simple way.

Question 9

What does API stand for?

Answer 9

Application Programming Interface.

Question 10

What is the purpose of an API?

Answer 10

Converting information from one application to another.