<a href="https:&#x2F;&#x2F;github.com&#x2F;rails&#x2F;rails&#x2F;tree&#x2F;master&#x2F;actioncable" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;rails&#x2F;rails&#x2F;tree&#x2F;master&#x2F;actioncable</a><p>Just looking at the client examples for action cable; is CoffeeScript now the standard way of doing JavaScript in Rails?