fix IE native mothods are not functions, and preventDefault

1 files changed, 3 insertions, 1 deletions

diff --git a/src/jqLite.js b/src/jqLite.js
index 26ca6dea..04682754 100644
--- a/src/jqLite.js
+++ b/src/jqLite.js
@@ -105,7 +105,9 @@ JQLite.prototype = {
       if (!eventHandler) {
         bind[type] = eventHandler = function(event) {
           if (!event.preventDefault) {
-            event.returnValue = false;
+            event.preventDefault = function(){
+              event.returnValue = false;
+            }
           }
           foreach(eventHandler.fns, function(fn){
             fn.call(self, event);