Offset: no need to check for ownerDocument

diff --git a/src/offset.js b/src/offset.js
index 142c91893b8e9ae2b04a1a2c5773f90759f09b81..b07bbe232b93bf969cb46c844c5c430e41eec3b8 100644 (file)
--- a/src/offset.js
+++ b/src/offset.js
@@ -88,14 +88,14 @@ jQuery.fn.extend({
                                });
                }
 
-               var docElem, win, rect,
-                       elem = this[ 0 ],
-                       doc = elem && elem.ownerDocument;
+               var docElem, win, rect, doc,
+                       elem = this[ 0 ];
 
-               if ( !doc ) {
+               if ( !elem ) {
                        return;
                }
 
+               doc = elem.ownerDocument;
                docElem = doc.documentElement;
 
                // Support: IE<=11+