title: Open about:blank window in firefox
body: <p>When i open a new window using window.open javascript, chrome opens with about:blank, but firefox opens with jsfiddle back url and if you right click on the page, you can still see the page loading. You will not see the refresh icon, instead a stop icon is appearing.</p>
  
  <p>I need to open the new window with about:blank.</p>
  
  <p>Here is the <a href="http://jsfiddle.net/alaksandarjesus/rs8f3fzd/1/" rel="nofollow">jsFIDDLE</a> </p>
  
  <p>Tested with Chrome 45.0
  Tested with Firefox 41.1</p>
  
  <pre><code>&lt;button id="helper"&gt;Click here for help&lt;/button&gt;
  </code></pre>