JavaScript-Custom-Methods

Question 1

What is a method?

Answer 1

A method is a function that is a property of an object

Question 2

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

Answer 2

The difference is that a method call will use a open and closed parentheses at the end of the method name i.e. doFunction()

Question 3

Describe method definition syntax (structure).

Answer 3

The method definition syntax consist of assigning a function to property key name

Question 4

Describe method call syntax (structure).

Answer 4

method call syntax includes using dot notation with the object name on the left and the key name of the method to the right. Also a pair of parentheses after the key name to call the method.

Question 5

How is a method different from any other function?

Answer 5

A method is different from other functions because they are 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

is a way for two or more computer programs to communicate with each other. It is a type of software interface, offering a service to other pieces of software.[