本书从最早期Netscape浏览器中的Javascr ipt开始讲起，直到当前它对XML和Web服务的具体支持，内容主要涉及Javascr ipt的语言特点、Javascr ipt与浏览器的交互、更高级的Javascr ipt技巧，以及与在Web应用程序中部署Javascr ipt解决方案有关的问题，如错误处理、调试、安全性、优化/混淆化、XML和Web服务(This book is the latest edition of Javascr ipt's super best seller. ECMAscr ipt 5 and HTML5 win the battle in the standard competition, so that a large number of proprietary implementations and client extensions are formally entered into the specification. At the same time, they add a lot of new features for Javascr ipt to adapt to the future development.)