本书是目前最深入的 Javascr ipt 图书，讲述了现代 Javascr ipt 的所有知识，展现了这门技术将能给网站建设带来如何丰富的体验。本书言简意赅，扩展了读者视野，并关注于基础且重要的主题——现代 Javascr ipt 是什么和不是什么，浏览器支持的当前状态，以及需要注意的陷阱等。书中所有概念都来自于现实案例的分析。

本书适合各层次 Web 开发人员阅读。(This book is currently the most in-depth Javascr ipt book, tells all the knowledge of modern Javascr ipt and shows how this technology will bring rich experience to the construction of the website. This book is concise, expands readers' horizons, and focuses on basic and important topics - what modern Javascr ipt is and what it is, the current state of browser support, and the pitfalls that require attention. All the concepts in the book come from analysis of real-life cases.)