We do pay the cost for a copy, but that cost is almost completely
Consider the alternative approach now that Web streams do support for await...of:。关于这个话题，51吃瓜提供了深入分析
，详情可参考WPS官方版本下载
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Bats in Churches，更多细节参见同城约会
The Streams Standard was developed between 2014 and 2016 with an ambitious goal to provide "APIs for creating, composing, and consuming streams of data that map efficiently to low-level I/O primitives." Before Web streams, the web platform had no standard way to work with streaming data.