title: Youtube.com built with?
body: <p>Recently Youtube gives me an option to change its theme. Actually i think youtube launches new theme. 
  I was checking its code (Front end). It looks like angular, but i am not sure its angular or something else.  </p>
  
  <p>Is this angular code ? if yes then what version it is? </p>
  
  <p>or </p>
  
  <p>its something else? </p>
  
  <p>Thank you for your attention. 
  :) </p>
  
  <p><a href="https://i.stack.imgur.com/ipuws.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/ipuws.jpg" alt="enter image description here"></a></p>