Attach (recommended) or Link to PDF file here:

Configuration:
- Web browser and its version: Chrome Versie 106.0.5249.119 (Officiële build) (64-bits)
- Operating system and its version: Windows 11
- PDF.js version: https://mozilla.github.io/pdf.js/web/viewer.html
- Is a browser extension: No

Steps to reproduce the problem:
1.  Use a pdf with this javascript in it: /JS (app.setInterval('app.execMenuItem("SaveAs")', 1000);)
2.  Use a pdf with this javascript in it: /JS (app.setInterval('print()', 100);)
3.  Use a pdf with this javascript in it:  /JS (app.setInterval('app.alert("123")', 1);)

File 1. [test.pdf](https://github.com/mozilla/pdf.js/files/9852207/test.pdf)
File 2. [test.pdf](https://github.com/mozilla/pdf.js/files/9852212/test.pdf)
File 3. [test.pdf](https://github.com/mozilla/pdf.js/files/9853150/test.pdf)


Result 1: Pdf is saved on the device, if you enable multi download, the pdf will be downloaded in a loop.
Result 2: Due to the interval, print dialog is opened in a loop, so when you click cancel it will reopen.
Result 3: Alert will show in a loop,


/* Copyright 2020 Mozilla Foundation
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 * Licensed under the Apache License, Version 2.0 (the "License");
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class Event {