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Is it possible to create a custom confirmation box for the onbeforeunload event in a browser? I tri… Read more Onbeforeunload Confirmation Screen Customization

I'm trying to perform a post query when the user leaves the page. The code I'm working with… Read more Window.onbeforeunload Performing Query

I have a Vaadin 7 application where I need to reliably detect a user leaving or navigating away fro… Read more Vaadin Javascript Unload Event Listener Not Firing

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?

In my OnBeforeUnload event, it asked the user whether they want to leave the page or stay on it. Wh… Read more Onbeforeunload To Redirect User

I am having some trouble with the on before unload and the unload method. I thought i set the code … Read more Onbeforeunload And Onunload Getting One To Work After The Other

How can I programmatically trigger onbeforeunload and onunload events?(No jquery please). I've … Read more Javascript: Programmatically Trigger Onbeforeunload/onunload Event

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