cheatsheet of OOP JS BASICS

oop_js_basics.js

//To create an object(3):

//1) 
var obj = new Object();

//2)
var obj = {};

//3) 
obj = {
	name: {
		first:  “Roy”,
		second: “Lee”
	},
	address: “Some street”
}


//To declare a class:
function Book(title, pages) {
	this.title = title;
	this.pages = pages;
}


//To create and object based on this class (instantiate this class):
var book1 = new Book(’M.L.Dock’, ’33’);


//To access and update attributes of this object:
book.title
book.title = “new title”;


//To declare and use function of the created class Book:
Book.prototype.printTitile = function() {
	console.log(this.title);
}

book.printTitle 
//==> new title


//To declare a function inside a class Book:
function Book(title, pages) {
	this.title = title;
	this.pages = pages;

	this.printTitle = function() {
		console.log(this.title)
	}
	
}