anchor.diff:  .callout.is-helpful
     header Angular is in developer preview
     p.
  -    This quickstart does not
  -    reflect the final development process for Angular. The following setup is for those who
  -    want to try out Angular while it is in developer preview.
  +    This quickstart does not reflect the final development process for writing apps with Angular.
  +    The following setup is for those who want to try out Angular while it is in developer preview.
   
   // STEP 1 - Create a project ##########################
   .l-main-section
  
positive.code:         &lt;head&gt;
            &lt;title&gt;Angular 2 Quickstart&lt;/title&gt;
            &lt;script src="https://github.jspm.io/jmcriffey/bower-traceur-runtime@0.0.87/traceur-runtime.js"&gt;&lt;/script&gt;
            &lt;script src="bundle/angular2.dev.js"&gt;&lt;/script&gt;
          &lt;/head&gt;
          &lt;body&gt;
  
  
negative.code:     your code to browser-compliant JavaScript as you work. This quickstart uses the TypeScript
      compiler in <code>--watch</code> mode, but it is also possible to do the translation in the browser as files
      are loaded, or configure your editor or IDE to do it.
  
    pre.prettyprint
      $ npm install -g typescript@^1.5.0-beta
      $ tsc --watch -m commonjs -t es5 --emitDecoratorMetadata app.ts
  
  // STEP 3 - Import Angular ##########################
  .l-main-section
  