title: Polymer 2.0 getting paper-input file
body: <p>I am using Polymer 2.0.  I have a </p>
  
  <pre><code>&lt;paper-input type="file" id"myFile"&gt;&lt;/paper-input&gt;
  </code></pre>
  
  <p>Once I selected a file I want to use Polymer (javascript) to get the reference and details of the file.  Previously I had used</p>
  
  <pre><code>this.$.myFile.inputElement.files[0]; 
  </code></pre>
  
  <p>But that doesn't seem to work now, it says undefined.  Please help me access the file.  Here is a jsbin:</p>
  
  <p><a href="https://jsbin.com/luledugege/edit?html,console,output" rel="nofollow noreferrer">https://jsbin.com/luledugege/edit?html,console,output</a></p>