Volume/Time mouse control for Youtube
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https://github.com/PoKeRGT/userscripts
Violentmonkey userscript
This user script allows you to control the volume and time of a YouTube video using the mouse wheel.
When scrolling up or down, the script adjusts the volume or seeks the video time accordingly.
The left half of the video controls the volume, while the right half controls the time.
Use the Shift key while scrolling in the right side of the video to go forward/backward by 0.5 secs.
This script provides a convenient way to interact with YouTube videos using the mouse, making it easier to adjust the volume and seek to specific times during playback.