<P>Are you an experienced programmer who wants to get started quickly in JavaScript and the HTML DOM? This is your book.</P><P></P><P>Do you need encyclopedic knowledge of JavaScript and/or the HTML DOM? This book is not for you.</P><P></P><P>Are you a novice who wants to learn to program? This book is not for you. In fact, this language is not for you. Get a good Python book.</P><P></P><P>This book will get you programming in JavaScript as quickly as possible. In addition, it will provide you with a basic understanding of the Document Object Model, the massive data structure used to represent web pages. With these tools, you will be able to build interactive web pages.</P><P></P><P>If you program in C++ or Java, there are parts of the book you can skip over because the JavaScript statements are exactly the same. These parts are clearly marked.</P><P></P><P>JavaScript is the language-the only language-used by browsers. To create interactive web pages, you need to know both JavaScript a