fixes IE bug with live ocders

app/views/quiz/_live_code.html.erb

@@ -21,7 +21,7 @@
 
       asked to write code, and it utilizes a JavaScript-enabled
       environment. It looks like JavaScript is not loaded.
-      
+
       <% unless params[:action] == 'summary' %>
         Please check the box below to acknowledge that you agree to come back at a later time to finish
         answering this question before you can submit the test.
@@ -65,5 +65,5 @@
 
   <% # we want the coders disabled until JS is confirmed, so form post is easier to validate %>
   var coders = document.querySelectorAll("[data-id=live-coder-answer] textarea");
-  coders.forEach(function(textarea){ textarea.disabled = false; });
+  for(i=0; i<coders.length; i++){ coders[i].disabled = false; }
 </script>