anchor.diff:  
     以上主题繁多。幸运的是，你可以慢慢地阅读并立刻应用每一个主题。
   
  -  # Live examples
  -  
     # 在线例子
   
     The chapter sample code is available as live examples for inspection, experiment, and download.
  
positive.code:   * <live-example>例子应用</live-example>
    * <live-example plnkr="1st-specs">第一个测试规格</live-example>
    * <live-example plnkr="app-specs">完整的应用测试规格</live-example>
    * <live-example plnkr="bag-specs">示范规格的包</live-example>
  a(href="#top").to-top Back to top
  
  .l-hr
  a#testing-101
  
negative.code:         is ideal for writing and running tests while developing the application. 
          It can be an integral part of the application build process.
          This chapter describes how to setup and run tests with karma.
  
          [karma测试运行器](https://karma-runner.github.io/1.0/index.html)是在开发应用的过程中
          编写和运行测试的理想工具。
          它能成为应用编译过程中的一个不可分割的一部分。本章讲述了如何用Karma设置和运行测试。
          
    tr(style=top)
      td(style="vertical-align: top") Protractor
      td
  