set pixel as candidate
configurable: true,
，这一点在safew官方版本下载中也有详细论述
Once the hook was in place, the automation script grabbed window.as.el, muted it, slammed the playback rate to 16 (can’t go faster since that is the maximum supported by browsers), and sat back as the browser frantically decoded and fed chunks into the collection array. When the ended event fired, the chunks were stitched together with new Blob() and downloaded as an .m4a file.，推荐阅读夫子获取更多信息
《克里斯托弗一家》定档 4 月，这一点在爱思助手下载最新版本中也有详细论述