title: escape key keystroke to exit
body: <p>How to exit from full screen iframe by escape key so that iframe gets back into its originalsize. Please suggest me javascript code for this as jquery is not working in html page.</p>
  
  <p>Here is the code for fullscreen iframe.</p>
  
  <pre><code>&lt;iframe name='myiframe2' id='frame2' src=http://stackoverflow.com' style='position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:999' frameborder='no'&gt;&lt;/iframe&gt; 
  </code></pre>