title: How to include an external JS library into an Angular CLI project?
body: <p>I need to include [this library] <code>http://scottjehl.github.io/picturefill/</code> into my angular-cli project. How can I do that?</p>
  
  <p>I tried like this <code>https://stackoverflow.com/questions/40526476/using-external-library-with-angular-cli</code><br>
  and like this <code>https://stackoverflow.com/questions/40526476/using-external-library-with-angular-cli</code><br>
  This solutions not work for me. I'm still getting in the console<br>
  'picturefill is not defined`.</p>