Prevent esc from exiting fullscreen mode

Question

My webpage converted to full screen mode using this following code.

    var element = document.getElementById(\"b\");


    if (element.mozRequestFullScreen)         


        

Answer 1

Any browsers complying to the standards will not (and should not) let you block this. Quite simply because it would be very intrusive and will confuse the users, who expect to always have a clear "panic button" to escape a screen.

Here are the api specifications:
Mozilla Developer Network
W3C