title: How to include script tag while Angular2 running ?
body: <p>How to include this external java script library inside Angular2 page view .</p>
  
  <p>I want to include this </p>
  
  <pre><code> &lt;!-- google maps javascript --&gt;
   &lt;script src="//maps.googleapis.com/maps/api/js?key=#######&amp;sensor=true"&gt;&lt;/script&gt;
  </code></pre>
  
  <p>so when this page is in view this library is loaded and start working .</p>