title: How to debugging Javascript on browser of PS4?
body: <p>My website works perfectly on almost browser platform such as browsers for PC, browsers for Smartphone and browsers on android tv but it does not work as expected on PS4 browser and samsung tv browser, the Ajax won't work at all.
  There is no debugger on PS4 or SamsungTv so I've used Vorlonjs and only got this message in console:</p>
  
  <pre><code>jquery.deferred exception: can't find variable:
  </code></pre>
  
  <p>I've double checked but didn't get luck, it does work on other platforms but PS4 and Samsung TV.
  Can anybody give me some advise and is there anyway to debugging deeper on those platforms?</p>