From f9f43eabe0516a953d3d5735d713236a29cb69b1 Mon Sep 17 00:00:00 2001
From: nateflink <github@nateflink.com>
Date: Thu, 10 Nov 2011 15:18:18 -0600
Subject: [PATCH] I discovered that IE7 and IE8 throw a javascript error on
 delete window[callbackId];

---
 src/Browser.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Browser.js b/src/Browser.js
index 71252050e68b..2bd5de13e10a 100644
--- a/src/Browser.js
+++ b/src/Browser.js
@@ -110,7 +110,7 @@ function Browser(window, document, body, XHR, $log, $sniffer) {
         } else {
           completeOutstandingRequest(callback);
         }
-        delete window[callbackId];
+        window[callbackId] = null;//IE7 IE8 don't like delete window[callbackId];
         body[0].removeChild(script);
       });
     } else {