让你恒常地显示油管上的进度条(显示播放时间比例的红色条)。
< 脚本YouTube ProgressBar Preserver的反馈
great, I used another firefox add-on for this, but this script works better.
(๑'ᴗ^๑)*
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great, I used another firefox add-on for this, but this script works better.