Merge branch 't/11823'

CHANGES.md

@@ -17,6 +17,7 @@ Fixed Issues:
 * [#11839](http://dev.ckeditor.com/ticket/11839): Fixed: [IE9] Caret jumps out of editable when resizing editor in source mode.
 * [#11880](http://dev.ckeditor.com/ticket/11880): Fixed: [IE8-9] Linked image has a default thick border.
 * [#11822](http://dev.ckeditor.com/ticket/11822): Fixed: [Webkit] Anchors editing by double click broken in some cases.
+* [#11823](http://dev.ckeditor.com/ticket/11823): [IE8] Fixed: [Table Resize](http://ckeditor.com/addon/tableresize) throws error over scrollbar.
 
 Other changes:
 

plugins/tableresize/plugin.js

@@ -356,9 +356,18 @@
 				var resizer,
 					editable = editor.editable();
 
+				// In Classic editor it is better to use document
+				// instead of editable so event will work below body.
 				editable.attachListener( editable.isInline() ? editable : editor.document, 'mousemove', function( evt ) {
 					evt = evt.data;
 
+					var target = evt.getTarget();
+
+					// FF may return document and IE8 some UFO (object with no nodeType property...)
+					// instead of an element (#11823).
+					if ( target.type != CKEDITOR.NODE_ELEMENT )
+						return;
+
 					var pageX = evt.getPageOffset().x;
 
 					// If we're already attached to a pillar, simply move the
@@ -369,8 +378,7 @@
 					}
 
 					// Considering table, tr, td, tbody but nothing else.
-					var target = evt.getTarget(),
-						table, pillars;
+					var table, pillars;
 
 					if ( !target.is( 'table' ) && !target.getAscendant( 'tbody', 1 ) )
 						return;