Your JavaScript code creates a MediaSource object and attaches it to a or element via a blob URL.
Reporting contributed by Danielle Kaye
。heLLoword翻译官方下载对此有专业解读
The problem gets worse in pipelines. When you chain multiple transforms — say, parse, transform, then serialize — each TransformStream has its own internal readable and writable buffers. If implementers follow the spec strictly, data cascades through these buffers in a push-oriented fashion: the source pushes to transform A, which pushes to transform B, which pushes to transform C, each accumulating data in intermediate buffers before the final consumer has even started pulling. With three transforms, you can have six internal buffers filling up simultaneously.，推荐阅读爱思助手下载最新版本获取更多信息
const res = new Array(n);，这一点在WPS下载最新地址中也有详细论述