we can inline the unary-not operator if we know the value is a bool
we can inline the unary-not operator if we know the value is a bool

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