"JavaScript by Example" is a book that teaches JavaScript programming through practical examples. The author, Ellie Quigley, covers everything from the basics to advanced topics like the Document Object Model and Cascading Style Sheets. The book includes easy-to-understand examples that demonstrate the power of JavaScript, guiding new programmers through essential techniques step by step. It covers data types, variables, functions, event handling, and form validation. The book also includes a CD-ROM with an electronic JavaScript reference and all the source code used in the book. Whether you're new to scripting or an experienced professional, Ellie Quigley's book will help you write effective JavaScript code for your projects.