[...]... language was needed Netscape filled this need in the mid-1990s by developing the JavaScript programming language Originally designed for use in the Navigator Web browser, JavaScript is now also used in most Web browsers, including Internet Explorer Although JavaScript is considered a programming language, it is also a critical part of Web page design and authoring This is because the JavaScript language... with a set of user files, called data files, and download software from Web sites The data files are included on the Instructor Resources CD-ROM They may also be obtained electronically through the Course Technology Web site at www.cengage.com/ coursetechnology Have students follow the instructions in Chapter 1 to install the data files Course Technology Data Files You are granted a license to copy the data... Technology Web site at www.cengage.com/coursetechnology, and are also available on the Instructor Resources CD-ROM SOLUTION FILES Solutions to end-of-chapter Exercises and Projects are provided on the Instructor Resources CD and may also be found on the Course Technology Web site at www.cengage.com/ coursetechnology The solutions are password protected DISTANCE LEARNING Course Technology is proud to present... following objectives: • Use JavaScript with well-formed Web pages • Work with JavaScript variables and data types and learn how to use the operations that can be performed on them • Add functions, events, and control structures to your JavaScript programs • Write JavaScript code that controls the Web browser through the browser object model • Use JavaScript to make sure data was entered properly into form... None of this was possible before the creation of JavaScript For the most current Web page-authoring techniques, see Don Gosselin’s XHTML, also published by Course Technology In this chapter, you will learn the skills required to create basic JavaScript programs In order to be successful in your JavaScript studies, you should already possess a strong knowledge of Web pageauthoring techniques The first part... to learn, allowing non-programmers to quickly incorporate JavaScript functionality into a Web page In fact, because it is used extensively in the countless Web pages that are available on the World Wide Web, JavaScript is arguably the most widely used programming language in the world JavaScript, Fifth Edition teaches Web page development with JavaScript for students with little programming or database... files to any computer or computer network used by individuals who have purchased this book Visit Our World Wide Web Site Additional materials designed especially for this book might be available for your course Periodically search www.cengage.com/coursetechnology for more information and materials to accompany this text Got a Job In Computing ? We hope you enjoyed the Q&A on the inside front cover of... textbook is accompanied by ExamView, a pow- erful testing software package that allows instructors to create and administer printed, computer (LAN-based), and Internet exams ExamView includes hundreds of questions that correspond to the topics covered in this text, enabling students to generate detailed study guides that include page references for further review The computer-based and Internet testing... experience is required, knowledge of HTML and Web page design is helpful, but not required This book covers the basics of ECMAScript Edition 3, which is compatible with recent Web browsers including Mozilla Firefox and Microsoft Internet Explorer, along with advanced topics including object-oriented programming, the Document Object Model (DOM), and AJAX Further, this book presents JavaScript techniques... also commonly referred to as HTML pages or documents A markup language is a set of characters or symbols that defines a document’s logical structure—that is, it specifies how a document should be printed or displayed HTML is based on an older language called Standard Generalized Markup Language, or SGML, which defines the data in a document independent of how the data will be displayed In other words, . EDITION © 2011 Course Technology, Cengage Learning ALL RIGHTS RESERVED. No part of this work covered by the copyright herein may be reproduced, transmitted, stored or used in any form or by any. JAVASCRIPT This page intentionally left blank JAVASCRIPT DON GOSSELIN Australia • Brazil • Japan • Korea • Mexico • Singapore • Spain • United Kingdom • United States FIFTH EDITION © 2011 Course. www.cengage.com/global Cengage Learning products are represented in Canada by Nelson Education, Ltd. To learn more about Course Technology, visit www.cengage.com/coursetechnology Purchase any of our products at