javascript - Detect if browser has more then 1 tab/window open -

javascript - Detect if browser has more then 1 tab/window open -

So I'm developing a quiz web application. And I would like to add a setting that can be set to the quiz administrator so that the user can open only 1 window / tab while the quiz is being taken.

The reason for this is that they do not reply to Goto like Google and Google while the Quiz window / tab is open. Of course they can always open a different browser and do this, but still thought that it would be a good feature to be able to do them.

Now I do not know that this is a security sandbox violation (and thus not available at all), but since I just want to know if there is any other tab or window open or about tabs / windows I do not have real information in it so I hope that anything is possible to use this javascript.

You can not, but probably have to use a new solution. You can use the setInterval function to test document.fullScreen == true to ensure that the user has not closed the full screen. Are there.

It only works in modern browsers, and the user knows his way around JS console, but it does not appear to suit your needs.

Note that all the fullscreen API implementations are currently in progress.


















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