#1143: + additional parent check

1f7036c6 · RubaXa · 1e79040e · 1f7036c6
隐藏空白更改
内联并排

Showing with 4 addition and 2 deletion

Sortable.js Sortable.js +4 -2

未找到文件。
--- a/Sortable.js
+++ b/Sortable.js
@@ -643,8 +643,10 @@

 				// #1143: IFrame support workaround
 				_nextTick(function () {
-					rootEl.insertBefore(cloneEl, dragEl);
-					_dispatchEvent(_this, rootEl, 'clone', dragEl);
+					if (dragEl && (dragEl.parentNode === rootEl)) {
+						rootEl.insertBefore(cloneEl, dragEl);
+						_dispatchEvent(_this, rootEl, 'clone', dragEl);
+					}
 				});
 			}