title: pdf not getting embedded in html IE11
body: <p>I want to embed base64 encoded string of pdf into an html template.
  <code>&lt;iframe src=&quot;data:application/pdf;base64, encodeURI(pdfstring)&quot;&gt;&lt;/iframe&gt; </code>
  This works fine in chrome and edge but showing blank page in IE 11.I do not want to download it.Is there a fix for IE11</p>