js/null in ClojureScript 0.0-1806

null.cljs

; This fails with Uncaught ReferenceError: null$ is not defined
(defn foo [bar] (if (== js/null bar) "foo" "bar"))
;#<
;function foo(bar) {
;    if ((null$ === bar)) {
;        return "foo";
;    } else {
;        return "bar";
;    }
;}
;>

; This works
(defn foo [bar] (if (nil? bar) "foo" "bar"))
;#<
;function foo(bar) {
;    if ((bar == null)) {
;        return "foo";
;    } else {
;        return "bar";
;    }
;}
;>