fixing a few more memory leaks in IE

[jquery.git] / src / offset.js

diff --git a/src/offset.js b/src/offset.js
index 92eace9..0a8b9e6 100644 (file)
--- a/src/offset.js
+++ b/src/offset.js
@@ -1,7 +1,7 @@
 if ( "getBoundingClientRect" in document.documentElement )
        jQuery.fn.offset = function() {
                var elem = this[0];
-               if ( !elem ) return null;
+               if ( !elem || !elem.ownerDocument ) return null;
                if ( elem === elem.ownerDocument.body ) return jQuery.offset.bodyOffset( elem );
                var box = elem.getBoundingClientRect(), doc = elem.ownerDocument, body = doc.body, docElem = doc.documentElement,
                        clientTop = docElem.clientTop || body.clientTop || 0, clientLeft = docElem.clientLeft || body.clientLeft || 0,
@@ -12,7 +12,7 @@ if ( "getBoundingClientRect" in document.documentElement )
 else
        jQuery.fn.offset = function() {
                var elem = this[0];
-               if ( !elem ) return null;
+               if ( !elem || !elem.ownerDocument ) return null;
                if ( elem === elem.ownerDocument.body ) return jQuery.offset.bodyOffset( elem );
                jQuery.offset.initialize();
 
@@ -75,6 +75,8 @@ jQuery.offset = {
 
                body.removeChild( container );
                jQuery.offset.initialize = function(){};
+               
+               body = container = innerDiv = checkDiv = table = td = null;
        },
 
        bodyOffset: function(body) {