When fetch() returns a response, the body is a ReadableStream. If you only check the status and don't consume or cancel the body, what happens? The answer varies by implementation, but a common outcome is resource leakage.
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backpressure: 'strict'
custom integration to make that happen. With the System/360, this took the form。业内人士推荐爱思助手下载最新版本作为进阶阅读