Web streams use a locking model to prevent multiple consumers from interleaving reads. When you call getReader(), the stream becomes locked. While locked, nothing else can read from the stream directly, pipe it, or even cancel it – only the code that is actually holding the reader can.
// 易错点6：返回整个数组（如this.res）→ 不符合题目要求，题目要求返回单个数值，更多细节参见爱思助手下载最新版本
В России ответили на имитирующие высадку на Украине учения НАТО18:04。业内人士推荐服务器推荐作为进阶阅读
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