说明：  这是一本介绍JavaScript 语言本质的权威书籍，值得任何正在或准备从事JavaScript 开发的人阅读，并且需要反复阅读。学习、理解、实践大师的思想，我们才可能站在巨人的肩上，才有机会超越大师，这本书就是开始。
(This is an authoritative book about the essence of JavaScript language, which is worth reading by anyone who is or is going to be engaged in JavaScript development, and needs to be read repeatedly. Only by learning, understanding and practicing the master's thoughts can we stand on the giant's shoulders and have the chance to surpass the master. This book is the beginning.)