The design of Web streams predates async iteration in JavaScript. The for await...of syntax didn't land until ES2018, two years after the Streams Standard was initially finalized. This timing meant the API couldn't initially leverage what would eventually become the idiomatic way to consume asynchronous sequences in JavaScript. Instead, the spec introduced its own reader/writer acquisition model — and that decision rippled through every aspect of the API.
Here are common examples you'll run into across the difficulty levels:，详情可参考一键获取谷歌浏览器下载
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Conditions in space are ideal for making semiconductors, which have the atoms they're made of arranged in a highly ordered 3D structure.