About Object

• What is the object?

1. Objects group together a set of variables and functions to create a model of a something you would recognize from the real world.
2. objects in JavaScript may be defined as an unordered collection of related data, of primitive or reference types.
3. object is an abstract data type with the addition of polymorphism and inheritance. Rather than structure programs as code and data.
4. This object represents a hotel. It has five properties and one method.
5. The object is in curly braces. It is stored in a variable called hotel.

More About Object

1. An object cannot have two keys with the same name.
2. The value of a property can be a string, number, Boolean, array, or another object.
3. The value of a method is always a function.

Document Object Model

The Document Object Model specifies how browsers should create a model of an HTML page and how JavaScript can access and update the contents of a web page while it is in the browser window

• The DOM tree is a model of web page

• This image will explain more about DOM elements

• This is an example of body contents ```