Using shadow DOM — MDN Web Docs
民生无小事，枝叶总关情。“哪里有人民需要，哪里就能做出好事实事，哪里就能创造业绩。”
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writevSync(batch) { for (const c of batch) addChunk(c); return true; },
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.