Make sure that the beforeactivate event isn't accidentally prevented.

[jquery.git] / src / core.js

diff --git a/src/core.js b/src/core.js
index 0c0d5a2..eb67ba1 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -433,7 +433,8 @@ jQuery.extend({
        isPlainObject: function( obj ) {
                // Must be an Object.
                // Because of IE, we also have to check the presence of the constructor property.
-               if ( !obj || toString.call(obj) !== "[object Object]" || !("constructor" in obj) ) {
+               // Make sure that DOM nodes and window objects don't pass through, as well
+               if ( !obj || toString.call(obj) !== "[object Object]" || obj.nodeType || obj.setInterval ) {
                        return false;
                }