title: Linkedin Javascript SDK - Setting the SDK Domains in the app configuration page has no effect
body: <p>No matter how hard I try, and no matter the url format I'm giving in the  <code>Setting the SDK Domains</code> section of the Linkedin Javascript SDK, I keep getting this error in my console:</p>
  
  <p><code>Uncaught Error: You must specify a valid JavaScript API Domain as part of this key's configuration.</code></p>
  
  <p>My setup it's as simple as possible :
  <code>
      &lt;script type="text/javascript" src="//platform.linkedin.com/in.js"&gt;
          api_key:afyXZGKtvrVoXXXX
      &lt;/script&gt;
  </code></p>
  
  <p>I've tried all the URL variations in the SDK Domains section:</p>
  
  <ul>
  <li>having localhost with and without port ( <a href="http://localhost:9000">http://localhost:9000</a> )</li>
  <li>having a custom hostname with and without port ( <a href="http://dev.local:9000">http://dev.local:9000</a> )</li>
  <li>having a real existing domain name ( heroku app ) (<a href="http://somename.herokuapp.com">http://somename.herokuapp.com</a>) </li>
  </ul>
  
  <p>Nothing worked, keep getting the same error.</p>
  
  <p>Any advice appreciated.
  Thank you,</p>