updated js

public/js/main.js

@@ -1,7 +1,7 @@
 (function(w){
     // conditionally load hightlight.js /w sunburst css from cdn
     var codes = document.getElementsByTagName('code');
-    if codes.length > 0 {
+    if (codes.length > 0) {
         console.log("We have code!");
     }
 })(window);