A difficulty here, however, is that the TransformStreamDefaultController does not have a ready promise mechanism like Writers do; so the TransformStream implementation would need to implement a polling mechanism to periodically check when controller.desiredSize becomes positive again.
Даниил Иринин (Редактор отдела «Наука и техника»)，详情可参考heLLoword翻译官方下载
，这一点在safew官方版本下载中也有详细论述
Израиль нанес удар по Ирану09:28，更多细节参见WPS下载最新地址
// 创建临时数组存储左子数组（右子数组可直接用原数组）