携程 2025 年第四季度净营收约 153.98 亿元，同比增长约 20.83%；
超过 1.6 万个 Experts 的大社区。关于这个话题，夫子提供了深入分析
，这一点在同城约会中也有详细论述
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.
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