?參數(參數名 : 參數類型 : 默認值) appendTo : String : 'parent' Defines where the helper that moves with the mouse is being appended to during the drag (for example, to resolve overlap/zIndex issues). 初始:$('.selector').sortable({ appendTo: 'body' }); 獲?。簐ar appendTo = $('.selector').sortable('option', 'appendTo'); 設置:$('.selector').sortable('option', 'appendTo', 'body');