Instead, it must use VBScript (I know I'm stretching here). In these instances, by all means, use VBScript. Just make sure your employer knows why you're spending so much time dealing with the nuances ...

Learn how to create & make a PowerShell script run as a scheduled task with or without parameters using Task Scheduler in Windows 11/10.

It looks to me like he's supposed to create an html form with vbscript/javascript validation and then submit it to another html page where he, again using vbscript/javascript, writes out the data.

How to run the new Windows 10 Edge browser from a command line or script.