If you want to install JavaScript in VSCode, install Visual Studio Code & Node.JS, create and run a JavaScript program, and then take these steps.

Tomasz Janczuk has created Edge.js which allows developers to combine the power of .NET with Node.js. In this article Janczuk explains Edge's history and how to get started.

Microsoft's tutorials also assist participants setting up a development environment with Microsoft's popular Visual Studio Code editor, as well as installing Node.js as a JavaScript runtime.

Because it's simple and scalable, organizations are using Node.js to not only build applications, but to do cloud-based application development and build IaaS and SaaS solutions.