About the Author
Alex Vanston is a self-professed geek and an outdoor junkie fused together.
Alex Vanston是一个自称极客、爱好户外运动的人。
During high-school he began teaching himself how to code and has been obsessed with learning new languages and better ways to solve problems ever since.
在他读高中的时候，就开始自学编程，至今仍痴迷于学习新的编程语言和探索更好的办法去解决问题。
He has been building web sites and applications professionally for the past seven years, for clients and companies around the world.
在过去的七年里，他曾为来自世界各地的客户和公司搭建专业的网站和应用。
Preface
AngularJS Directives dives into the core building blocks of Angular.JS and provides you with the knowledge you need to create fully dynamic web applications that respond in real time to updates and changes in your data.
AngularJS Directives这本书深入Angular.JS模块创建的核心，为你提供了创建实时更新的动态web应用的知识。
You'll learn how to build directives from the ground up, as well as some of the best practices to use when architecting them.
你可以从中学习到如何创建指令，同时了解到一些构建这些指令的最佳实践。
By the end you'll be able to create a web application comprised
of multiple modules all working together seamlessly to provide the best possible user experience.
到最后，你可以创建一个多模块无缝组合的的web应用，并提供最佳的用户体验
