(This book introduces the basic knowledge and practical application of javasript through a large number of examples, so that readers can systematically master javaserip client programming technology step by step. The book is divided into nine chapters, which respectively introduces the basis of JavaScript language, javasripl object, javaeript event processing, document object, window and browser, form object, link and image, DHTML basis and dhiml Application.With rigorous structure and rich content, this book is suitable for web designers at all levels to learn and use, and can be used as a reference book for relevant courses or training.)