本书是javascr ipt超级畅销书的最新版。ECMAScipt和HTML5在标准之争中双双胜出，使大量专有实现和客户端扩展正式进入规范。(This book is the latest version of the super bestseller for Javascr ipt, and ECMAScipt and HTML5 both win in the standard battle, so that a large number of proprietary implementations and client extensions are officially entered into the specification.)