Hover a thumbnail at its bottom part and move the mouse horizontally to view the actual screenshots from the video
這裡顯示腳本的所有版本。 只顯示彼此間有代碼差異的版本。
catch up with the new site layout
show correct sb for updated thumbnail
fix re-activation if didn't start on this thumb last time
dim the area only on hover
left-align preview + show progress
also show on suggestions + don't limit preview size
ignore YT:not-interested when hovering
scale the thumbnail to 200px
switch to inner API
