prevent creating a second global

madrobby · Mar 22, 2011 · f2f18b5 · f2f18b5
1 parent c8818e1
commit f2f18b5
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Showing 2 changed files with 7 additions and 4 deletions.
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1 @@
+.DS_Store
diff --git a/creditcard.js b/creditcard.js
@@ -69,7 +69,9 @@ var CreditCard = {
   }
 };
 
-for(card in CreditCard.CARDS)
-  CreditCard['is'+card] = function(card, number){
-    return CreditCard.CARDS[card].test(CreditCard.strip(number));
-  }.curry(card);
+(function(){
+  for(var card in CreditCard.CARDS)
+    CreditCard['is'+card] = function(card, number){
+      return CreditCard.CARDS[card].test(CreditCard.strip(number));
+    }.curry(card);
+})();