fix($browser.xhr): properly delete jsonp callbacks

2 files changed, 2 insertions, 2 deletions

diff --git a/src/Browser.js b/src/Browser.js
index 37fb4931..d6b2b8d0 100644
--- a/src/Browser.js
+++ b/src/Browser.js
@@ -92,7 +92,7 @@ function Browser(window, document, body, XHR, $log) {
       var script = jqLite(rawDocument.createElement('script'))
           .attr({type: 'text/javascript', src: url.replace('JSON_CALLBACK', callbackId)});
       window[callbackId] = function(data){
-        window[callbackId] = undefined;
+        delete window[callbackId];
         script.remove();
         completeOutstandingRequest(callback, 200, data);
       };
diff --git a/test/BrowserSpecs.js b/test/BrowserSpecs.js
index cb59137e..96839a1c 100644
--- a/test/BrowserSpecs.js
+++ b/test/BrowserSpecs.js
@@ -96,7 +96,7 @@ describe('browser', function(){
         fakeWindow[url[1]]('data');
         expect(callback).toHaveBeenCalled();
         expect(log).toEqual('remove();200:data;');
-        expect(typeof fakeWindow[url[1]]).toEqual('undefined');
+        expect(fakeWindow[url[1]]).toBeUndefined();
       });
     });