JavaScript is a scripting language that allows you to enhance static web applications by providing dynamic, personalized, and interactive content. You should see noticeable drop-down menu, move the text, and change the content that is now widespread in their web site? Enabled through JavaScript. Supported by all major browsers, JavaScript is the language of choice on the Web. This book aims to teach you all you need to know to start experimenting with JavaScript: what it is, how it works, and what you can do with it. Starting from basic syntax, you will move on to learn how to create powerful web applications. Do not worry if you've never programmed before? This book will teach you all you need to know, step by step. You'll find that JavaScript can be a great introduction to the world of programming: with knowledge and understanding that you will gain from this book, you will be able to move on to learn about new technology that more and more in the world of computing. In order to get the most from this book, you will need to have an understanding of HTML and how to create static web pages. This book will also be suitable for you if you have some programming experience already, and want to change your hand for web programming. For you, JavaScript will become cheap and relatively easy introduction to the world of programming and web application development. You'll start by looking at what JavaScript is, and take your first steps with the underlying language and syntax. You will learn all the basic programming concepts, including data and data types, and structuring your code to make decisions in your programs or to loop over the same piece of code many times. You will learn how to take advantage of the original object with the JavaScript language, such as dates and strings, and find out how these objects enable you to manage complex data and simplify your programs. All new concepts are introduced in this book will be illustrated with practical examples, which allows you to experiment with JavaScript and build a theory that you just learned.