Offset: Resolve strict mode ClientRect "no setter" exception

diff --git a/src/offset.js b/src/offset.js
index 907dc0989e6bd1de2ae08421812e704c1aa5eb64..18e6eebed30dbef822de0b6859378f7c7661df19 100644 (file)
--- a/src/offset.js
+++ b/src/offset.js
@@ -144,8 +144,10 @@ jQuery.fn.extend( {
                        }
 
                        // Add offsetParent borders
-                       parentOffset.top += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
-                       parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
+                       parentOffset = {
+                               top: parentOffset.top + jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ),
+                               left: parentOffset.left + jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true )
+                       };
                }
 
                // Subtract parent offsets and element margins