Source: Computational Materials Science, Volume 266
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.
，推荐阅读WPS官方版本下载获取更多信息
输出：[1,1,4,2,1,1,0,0]
When the game is about to shut down, the banner is updated to show that: