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What I'm trying to achieve is to Warn the user of unsaved changes if he/she tries to close a pa… Read more Activating Onbeforeunload Only When Field Values Have Changed

I do understand that it's not possible to replace the beforeunload dialog with a custom one, an… Read more How To Show A Modal Dialog Before Beforeunload Shows Its Own?

I'm trying to set up a onbeforeunload tag to stop a user from leaving specific pages if and onl… Read more Javascript, Controlling An Onbeforeunload Tag

I understand this question has been asked and either answered or rejected before, but i promise i h… Read more Opening Another Window In Javascript When User Presses X On Browser

I have problem with return confirm in Chrome. In Firefox it is ok. window.onbeforeunload = function… Read more Return Confirm In JavaScript

I need to clear some session variables whenever user closes the browser window. The window can be c… Read more Window.close() And The Beforeunload Event