So I create a Visual Studio .Net web form on a server and can get that to run just fine. I then switch to the html view of the page and try to add some javascript buttons using the <script> tags ...

Visual Studio Code viewing the source code for itself. Note the messages (created using information from the Git repository) that show the authors of the functions and the most recent change dates.

Microsoft has announced the general availability of Visual Studio 2022 version 17.14, introducing agent mode for GitHub ...

The Update "adds better support for HTML5, CSS3 and new JavaScript ... IE sites using these standards. Microsoft also provided some fairly limited HTML5 support in Visual Studio 2010 Service ...

it's not unusual for your code to reference code held in another JavaScript file. If you're using more recent versions of Visual Studio, you'll find that the editor knows about all the JavaScript code ...