javascript-custom-methods

Question 1

What is a method?

Answer 1

A method is 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

method definitions are declared functions that are values of an object’s property. Method calls always distinguished by adding parentheses when they are declared.

Question 3

Describe method definition syntax (structure).

Answer 3

Within the function, create a property and assign it a value of an anonymous function that carries out a task.

Question 4

Describe method call syntax (structure).

Answer 4

object name + dot + method name + parentheses where arguments will be passed if any

Question 5

How is a method different from any other function?

Answer 5

It is a property within an object, otherwise, it is no different from a function.

Question 6

What is the defining characteristic of Object-Oriented Programming?

Answer 6

It is based on the concept of “objects”, which can contain data and code: data in the form of fields (often known as attributes or properties), and code, in the form of procedures or functions (often known 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

The ability to work with 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

‘API’ is a computing interface that defines interactions between multiple software intermediaries.