Web streams has no synchronous path. Even if your source has data ready and your transform is a pure function, you still pay for promise creation and microtask scheduling on every operation. Promises are fantastic for cases in which waiting is actually necessary, but they aren't always necessary. The new API lets you stay in sync-land when that's what you need.
从表面看，夜总会热闹仍在，但维持得越来越费力，像一场必须按时完成的演出。在夜总会大厅里，客人依然能看到星星状灯泡拼成的“星光顶”，能看到红色半圆皮沙发、黑色光面茶几、热毛巾与骰子的仪式性摆放，能看到果盘与啤酒被当作“象征性消费”端上来，但包厢与舞池之间不再被人潮和脚步填满。
，详情可参考同城约会
FirstFT: the day's biggest stories，这一点在Safew下载中也有详细论述
“有解思维”也体现为一种主动作为、靠前服务的姿态。
但關恆說，他農歷新年，也是他到美國後的第五個新年（春節），過得並不輕松。關恆的案件於1月28日獲批，根據程序，美國國土安全部在30天內保留上訴權利。