detect "document.webkitVisibilityState" at server side

[manish sapkal]

How Do I detect "document.webkitVisibilityState" of client on my app.js on node (server). because If my "Continue where you left off" setting in chrome browser is ON, then browser it self sending request on my server. (on that time, at client side "document.webkitVisibilityState" showing me undefined/hidden/prerender). I don't want to serve my data when browser send me request, because in this request, page does not shown to user. so, why should I process my session data of user un-nessessorily on server? and what about all other major browser like mozila, IE, opera etc...

thanks.

original issue : https://github.com/joyent/node/issues/8532#event-176225798

[Matt]

You can't detect it on the server directly. You'll have to detect it on the client and then send it down to the server somehow.

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