Forum Discussion
Storyline Toggle Fullscreen Mode in Web Browser
Compatible with HTML5 compliant browsers only. Tested on Chrome 57 for Windows and Chrome for Android Nougat (Storyline 3)
Proof of concept:
https://cruzrincon.github.io/Fullscreen/story_html5.h...
"Not all platforms are equal. iOS Safari doesn't have a fullscreen API"
https://developers.google.com/web/fundamentals/native-hardware/fullscreen/
and
https://caniuse.com/#feat=fullscreen
Also, it appears that Chrome on iOS uses Safari rendering engine
I'm working on an alternative solution. Stay tuned