Prefixed Fullscreen API is deprecated. Please use unprefixed API for fullscreen. For more help https://developer.mozilla.org/en-US/docs/Web/API/Fullscreen_API
Prefixed Fullscreen API er úrelt. Notaðu frekar unprefixed API til að fylla skjá. Fyrir meiri upplýsingar https://developer.mozilla.org/en-US/docs/Web/API/Fullscreen_API