Fix IE issue.

Can not rely on window.toString to be callable. (It isn't in IE)
gregleaver · May 17, 2012 · fa49bca · fa49bca
1 parent 5696561
commit fa49bca
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diff --git a/js/jquery-currency-input.js b/js/jquery-currency-input.js
diff --git a/src/jquery-currency-input.coffee b/src/jquery-currency-input.coffee
@@ -16,7 +16,7 @@ $ = jQuery
 
 # From _.isFinite
 isNumber = (obj) ->
-  (toString.call obj) == '[object Number]' and isFinite(obj)
+  (Object.prototype.toString.call obj) == '[object Number]' and isFinite(obj)
 
 toNumber = (str) -> 
   str = str.toString().replace /[$,\s]/g, ''