better way of generating html code.

framework/assets/yii.js

@@ -140,7 +140,8 @@ yii = (function ($) {
                 if (!action || !action.match(/(^\/|:\/\/)/)) {
                     action = window.location.href;
                 }
-                $form = $('<form method="' + method + '" action="' + action + '"></form>');
+                $form = $('<form method="' + method + '"></form>');
+                $form.prop('action', action);
                 var target = $e.prop('target');
                 if (target) {
                     $form.attr('target', target);