javascript - How does openload.co manage to go into fullscreen mode without warning message on chrome? -
the video hosting site openload.co seems have found way force browser go full screen mode without displaying usual message on top of page (like "www.youtube.com full screen. exit full screen. allow"). @ least on chrome 50.0.2661.94 (64-bit) on mac os x v10.10.5. doesn't seem work on firefox , safari.
to demonstrate uploaded video here: https://openload.co/f/88qxnnav4rg/
just click on play button. beware of several pop-ups.
i want find out how did it. out of curiosity. way implemented annoying user. i'm aware of being bad practise.
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