圖像來源，Getty Images
Implementers shouldn't need to jump through these hoops. When you find yourself needing to relax or bypass spec semantics just to achieve reasonable performance, that's a sign something is wrong with the spec itself. A well-designed streaming API should be efficient by default, not require each runtime to invent its own escape hatches.，详情可参考快连下载安装
，详情可参考搜狗输入法下载
// Consumer provided a buffer - we MUST fill it (or part of it)。safew官方版本下载是该领域的重要参考
The most common task with streams is reading them to completion. Here's what that looks like with Web streams: