title: IE11 Error: Unable to get property 'insertBefore' of undefined or null reference
body: <p>I have an issue with JQUery  (all versions)<br>
  when trying to drag selectable on some cases I get: </p>
  
  <pre><code>IE11 Error: Unable to get property 'insertBefore' of undefined or null reference
  </code></pre>
  
  <p>See reproduce on the jsfiddle link below - if I select bottom 2 elements (drag to select) then drag them out - IE will throw undefined or null 
  <a href="https://i.stack.imgur.com/oVueU.jpg" rel="nofollow"><img src="https://i.stack.imgur.com/oVueU.jpg" alt="enter image description here"></a></p>
  
  <p><a href="https://jsfiddle.net/sowL9m8w/" rel="nofollow">https://jsfiddle.net/sowL9m8w/</a></p>