fix(httpBackend): fix 'type mismatch' error on IE8 after each request

2014-01-02 22:47:39 -08:00
parent 6c17d02bc4
commit fd9a03e147
1 changed files with 3 additions and 1 deletions
@@ -75,7 +75,9 @@ function createHttpBackend($browser, createXhr, $browserDefer, callbacks, rawDoc
          // onreadystatechange might by called multiple times
          // with readyState === 4 on mobile webkit caused by
          // xhrs that are resolved while the app is in the background (see #5426).
-          xhr.onreadystatechange = undefined;
+          //
+          // we must delete the property instead of setting it to undefined/null to make IE8 happy.
+          delete xhr.onreadystatechange;

          var responseHeaders = null,
              response = null;