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Objects

• Group together a set of variables and functions to create a model of something you would recognize from the real world.

Litteral Notation

• easiest and most popular way to create objects

var hotel = {
 name: 'Quay',
 rooms: 40,
 booked: 25,

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


}

Good Instructions for Literal Notation on page 104

Dom Tree

• Model of a Web Page

4 nodes

• Document
• Element
• Attribute
• Text

Nodelists & DOM QUERIES

Check out looping through a nodelist on page 206