腳本用於移除 YouTube 廣告，包括靜態廣告和視頻廣告。不會干擾網路，安全。
Also, if you don't want to trigger the observer unnecessarily (I think), maybe set the "subtree" parameter to false; the ads are still skipped and the chat does not trigger que observer.
thx bro
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In the `if` statement inside the function `playAfterAd`, you should null-check the `video` variable first.
Otherwise the script throws in that line (200) and ramps up the CPU utilization when for example, a Youtube live video is playing with the chat OPEN.
`if(video.paused && video.currentTime<1){`
should be changed to:
`if(video && video.paused && video.currentTime<1){`