title: how to display youtube thumbnail image from url with Angularjs
body: <p>I just start to using angularjs and I want to display youtube thumbnail image from the youtube video url ... is there a way to display video thumbnail when people insert url in input and then click the button, </p>
  
  <pre><code>PLUNKER
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  <p><a href="http://plnkr.co/edit/9SBbTaDONuNXvOQ7lkWe?p=preview" rel="nofollow">http://plnkr.co/edit/9SBbTaDONuNXvOQ7lkWe?p=preview</a></p>