9gag auto video control

Automatically add video controls to videos on 9gag, without using timeout (which use a lot of ressource), but using MutationObserver instead (kind of an event when a video is added). The controls are added when you click on the video, to prevent problems with the function that put sound when you click. For videos without sound ("gif"), controls are shown directly

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。