Fix http://code.google.com/p/khanacademy/issues/detail?id=11329

Khan · May 19, 2012 · 98b518a · 98b518a
1 parent e933528
commit 98b518a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/khan-exercise.js b/khan-exercise.js
@@ -158,7 +158,7 @@ var Khan = (function() {
         testMode ? "http://localhost:8080" : "",
 
     // The ID, filename, and name of the exercise -- these will only be set here in testMode
-    exerciseId = ((/([^\/.]+)(?:\.html)?$/.exec(window.location.pathname) || [])[1]),
+    exerciseId = ((/([^\/.]+)(?:\.html)?$/.exec(window.location.pathname) || [])[1]) || "",
     exerciseFile = exerciseId + ".html",
     exerciseName = deslugify(exerciseId),