title: After angular.bootstrap in ts file the angularjs not rendering anything on the browser showing empty page
body: <p>Well by following guide from one tutorial and <a href="http://angular.io/guide/upgrade" rel="nofollow noreferrer">https://angular.io/guide/upgrade</a>
  I manage to make angularjs bootstrap by using this </p>
  
  <pre><code>angular.bootstrap(document.body, ['heroApp'], { strictDi: true });
  </code></pre>
  
  <p>i am working on mvc dotnet web application <br/>
  <strong>problem</strong> is that after putting that code in <strong>app.module.ts</strong> file and removing ng-app from html index page.<br/>
  nothing is loading on the page. empty page. nothing load from angularjs directive and angularjs file. 
  help me to figure out this. <br/>
  Thanks in advance 
  <br/>
  <br/>
  After this i will upgrade angularjs to angular 4 after making this bootstrap</p>