Forum Discussion
The onBeforeUnLoad event does not fire after the PDF is loaded and displayed in iFrame.
Hello, our web application requires the confirm-to-leave dialog when closing a browser window. We’ve registered onBeforeUnLoad event to our web page and it works fine. The confirm-to-leave dialog wil...
ChayankiatTI Thanks for reaching out!
I'll ask one of our Devs and let you know if they have any insights.
Fawkes (they/them)
Project & Community Manager - Microsoft Edge