305     var fn = queue.shift();
309         var receiver = queue.shift();
310         var arg = queue.shift();
4026 Queue.prototype.shift = function () {  method in Queue
6659 			var shift = date.getDay();
6661 				if (shift === 0) shift = 6;
6662 				else shift--;
6664 			return this.date_part(this.add(date, -1 * shift, "day"));
18624 							var anyModifier = modifiers.alt || modifiers.ctrl || modifiers.meta || modifiers.shift;
19741 			var shift = 1;
19742 			while ((!prev || prev.id == over.id) && index - shift >= 0) {
19744 				prevId = store.getIdByIndex(index - shift);
19746 				shift++;
24646 			var shift = 0;
24648 			this._dir_start = getLinePos(t, !!_link_source_task_start, shift, timeline.$getConfig(), true);
24663 	function getLinePos(task, to_start, shift, cfg, isStart){  argument
24676 		shift = shift || 0;
24678 			shift = shift * -1;
24680 		pos.x += (to_start ? -1 : 1)*shift  - offset;
24793 			var shift = 0;
24795 				shift = Math.floor(node.offsetWidth  / 2);
24798 			this._dir_end = getLinePos(t, !!_link_target_task_start,shift, config);
25657 		_resize: function(task, shift, drag) {
25661 				task.start_date = gantt.dateFromPos(coords_x.start + shift);
25666 				task.end_date = gantt.dateFromPos(coords_x.end + shift);
25692 		_resize_progress: function(task, shift, drag) {
25701 		_find_max_shift: function(dragItems, shift) {
25711 				if (coords_x.end + shift > maxX) {
25716 				} else if (coords_x.start + shift < minX) {
25725 		_move: function(task, shift, drag) {
25727 			var new_start = gantt.dateFromPos(coords_x.start + shift),
25728 				new_end = gantt.dateFromPos(coords_x.end + shift);
25784 		_update_item_on_move: function(shift, id, mode, drag, e) {
25788 			this._handlers[mode].apply(this, [copy, shift, drag]);
25811 				var shift = pos.x - drag.start_x;
25829 						var maxShift = this._find_max_shift(dragHash, shift);
25831 							shift = maxShift;
25833 						this._update_item_on_move(shift, drag.id, drag.mode, drag, e);
25836 							this._update_item_on_move(shift, childDrag.id, childDrag.mode, childDrag, e);
25840 						this._update_item_on_move(shift, drag.id, drag.mode, drag, e);