[]源码List的一次代码错误

__proto._createItems = function (startY, numX, numY) {

		var box = this._content;

		var cell = this._getOneCell();

		var cellWidth = cell.width + this._spaceX;

		var cellHeight = cell.height + this._spaceY;

		if (this.cacheContent) {

			var cacheBox = new Box();

			cacheBox.cacheAsBitmap = true;

			cacheBox.pos((this._isVertical ? 0 : startY) * cellWidth, (this._isVertical ? startY : 0) * cellHeight);

			this._content.addChild(cacheBox);

			this._content.optimizeScrollRect = true;

			box = cacheBox;

		} else {

[b]			var arr = [];

[/b]			for (var i = this._cells.length - 1; i > -1; i--) {

				var item = this._cells[i];

				item.removeSelf();

				arr.push(item);

			}

			this._cells.length = 0;

		}

		for (var k = startY; k < numY; k++) {

			for (var l = 0; l < numX; l++) {

[b][i]				if (arr && arr.length) {

[/i][/b]					cell = arr.pop();

				} else {

					cell = this.createItem();

				}

				cell.x = (this._isVertical ? l : k) * cellWidth - box.x;

				cell.y = (this._isVertical ? k : l) * cellHeight - box.y;

				cell.name = "item" + (k * numX + l);

				box.addChild(cell);

				this.addCell(cell);

			}

		}

	}