="ruby-identifier">html_cache</span>[<span class="ruby-identifier">:js</span>][<span class="ruby-identifier">cache_key</span>] = <span class="ruby-identifier">html</span>&#x000A;354:     <span class="ruby-keyword kw">end</span>&#x000A;355: &#x000A;356:     <span class="ruby-identifier">html</span> <span class="ruby-operator">||=</span> <span class="ruby-constant">AssetHat</span>.<span class="ruby-identifier">html_cache</span>[<span class="ruby-identifier">:js</span>][<span class="ruby-identifier">cache_key<