Visual Studio developers now get IntelliCode for XAML and C++ code, in addition to C#. Visual Studio Code developers can use IntelliCode when developing JavaScript, TypeScript, Python, and Java.

Microsoft has released Visual Studio 2019 Preview 1 for Windows and Mac, .NET Core 2.2, and .NET Core 3.0 Preview 1 at Microsoft Connect(); 2018.

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 tags, when I ...