CSC/ECE 517 Fall 2010/ch6 6g az

Introduction

"Content is something that remains constant , however the way we represent it keeps changing"

Web pages are more interactive and dynamic than ever. Web pages are nothing but documents which are usually based on HTML or XML formats. Web designers are adding visual affects , features like drag and drop and more ever a lot web applications business logic is residing in a web page. This is all possible because of the ability to change the structure, presentation of the web page dynamically by programming or scripting languages. There are a variety of programming languages which are changing the structure, style , presentation of web pages but how is this happening and what is it that is making this interoperability between the document and the numerous programming languages ?

In this article , we will start with a bit of history , of how browser wars lead to the formation of Document Object Model. What exactly is document object model ? , its W3C specifications and also we will try understand capabilities of DOM with JavaScript as a scripting language.