Continuing from Duckett JS book

Chapter 3 - Object Literals

this chapter talk about objects and object Literals. THe object Literals is the easiest and most pupular way to create objects

• Creating an object using literal notation

var hotel {
    name: 'h1',
    rooms: 5,
    booked: 3,

    checkAvailability: function(){
        return this.rooms - this.booked;
    }

}

we can access the properties or methods of an object using dot notation .

Chapter 5 - DOM

The document object model (DOM) specifies how browsers should create a model of an HTML page and how javascript can acess and update the contents of a we page while it is in the browser window.

• The Dom tree is a model of a web page: here is an example: