.closed is a set, it doesn't have forEach.  use keys().forEach
.closed is a set, it doesn't have forEach.  use keys().forEach

toshok/echojs,toshok/echojs,carlosalberto/echo-js,toshok/echojs,toshok/echojs,carlosalberto/echo-js,toshok/echojs,carlosalberto/echo-js,toshok/echojs,toshok/echojs,carlosalberto/echo-js,carlosalberto/echo-js,carlosalberto/echo-js,toshok/echojs