diff --git a/examples/js-binding.rkt b/examples/js-binding.rkt
new file mode 100644
index 0000000..0a148d1
--- /dev/null
+++ b/examples/js-binding.rkt
@@ -0,0 +1,11 @@
+#lang planet dyoo/whalesong
+(require (planet dyoo/whalesong/js))
+
+(define js-plus
+  (js-function (js-eval "function(x, y) { return x + y; }")))
+
+(define js-minus
+  (js-function (js-eval "function(x, y) { return x - y; }")))
+
+"plus: " (js-plus 3 4)
+"minus:" (js-minus 239748 23)
\ No newline at end of file
diff --git a/js/racket-impl.rkt b/js/racket-impl.rkt
index e12a3ac..6f6c418 100644
--- a/js/racket-impl.rkt
+++ b/js/racket-impl.rkt
@@ -21,6 +21,9 @@
          js-eval
          
          load-script
+         
+         js-function
+         js-async-function
          )
 
 (define (alert x)