Author(s): Michael Pilipchuk, Chaitali Patil, Veera Sundararaghavan
2026-03-03 00:00:00:0张景林3014316110http://paper.people.com.cn/rmrb/pc/content/202603/03/content_30143161.htmlhttp://paper.people.com.cn/rmrb/pad/content/202603/03/content_30143161.html11921 “加好友”先要交朋友（纵横）
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Freezing Time: The Virtual ClockThe heart of our video renderer is a JavaScript file (roughly ~1,200 lines at time of writing) that gets injected into every page we capture. Its job is simple and audacious: replace the main time-related APIs in the browser with a fake clock we control.