anchor.diff:    你应该在自己的电脑上[本地开发](#why-locally "为什么在本地开发？")... 你也应该在本地环境学习 Angular。
     </span>
     
  -  
     Setting up a new project on your machine is quick and easy with the **QuickStart seed**,
     maintained [on github](!{_qsRepo} "Install the github QuickStart repo"). 
   
  
positive.code:   Make sure you have [!{_prereq} installed](#install-prerequisites "What if you don't have !{_prereq}?").
    Then ...
  
    确定你已经安装了[!{_prereq}](#install-prerequisites "如果你没有 !{_prereq} ？")，然后：
    
    1. Create a project folder (you can call it `quickstart` and rename it later).
  
  
negative.code: 
      * you can't ship your app in plunker
  
        你不能在 plunker 里面发布你的应用
  
      * you aren't always online when writing code
  
        编程时你不可能总是在线
  
      * transpiling TypeScript in the browser is slow
  
        在浏览器中编译 TypeScript 很慢
  
      * the type support, refactoring, and code completion only work in your local IDE
  
        只有本地 IDE 有类型支持、代码重构和代码自动完成
  
      Use the <live-example><i>live coding</i></live-example> environment as a _playground_, 
      a place to try the documentation samples and experiment on your own.
  