Is it possible to determine web browser's termination event?

Question

I am building a chat room and I have to determine whether a user is online or not. So when a user logs in, I update his status as online and when he logs out, I update his status as offline, but when the user simply closes the browser, the status remains online.

To fix this I need to execute a server side code on the event of browser termination. How do I do this?

possible dup http://stackoverflow.com/questions/3888902/javascript-detect-browser-close-tab-close-browser — Ray Cheng, Nov 25 '12 at 07:58

AndyPerlitch · Answer 1 · 2012-11-25T07:59:39.023

0

I believe this is what you are looking for.

When a user closes a browser window, the unload event is triggered. You could trigger an ajax request on this event that posts to the server that the user has closed his/her window.

window.onunload = function(){
    // make an ajax request that notifies the 
    // server that user has closed the window
}

edited Nov 25 '12 at 07:59

answered Nov 25 '12 at 07:53

AndyPerlitch

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Would this always hit the server even if a connection can't be made fast enough? – qwertymk Nov 25 '12 at 08:03
He may need to make the request not asynchronous, eg. adding `async:false` to the jQuery ajax request options... – AndyPerlitch Nov 25 '12 at 09:04

Is it possible to determine web browser's termination event?

1 Answers1