Implement Invoke, Yield, and Return ops

Javascript functions can now return values.

1 files changed, 2 insertions, 0 deletions

diff --git a/demo/script.js b/demo/script.js
index 8a21276..5f536fd 100644
--- a/demo/script.js
+++ b/demo/script.js
@@ -11,5 +11,7 @@ function main() {
       best_offer = offer;
     }
   }
+
+  return best_offer;
 }