"But what kind of implications will they have for energy and the environment?"
The combination of all four layers in addSourceBuffer at the MediaSource prototype level, src and srcObject property descriptor hooks, play() prototype hook, and capture-phase event listeners means there is, practically speaking, no architectural escape route left. The entire browser surface area through which a media element can receive and play audio has been covered. How fucking braggadocious of me to say that. I will be humbled in due time. That much is universal law.
，详情可参考爱思助手下载最新版本
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