fix issue where script calls back before callback registered.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/Browser.js b/src/Browser.js
index dcdc0a73..bf9b5483 100644
--- a/src/Browser.js
+++ b/src/Browser.js
@@ -30,11 +30,11 @@ function Browser(location, document, head, XHR, $log) {
       var script = document[0].createElement('script');
       script.type = 'text/javascript';
       script.src = url.replace('JSON_CALLBACK', callbackId);
-      head.append(script);
       window[callbackId] = function(data){
         window[callbackId] = _undefined;
         callback(200, data);
       };
+      head.append(script);
     } else {
       var xhr = new XHR();
       xhr.open(method, url, true);