To add JavaScript in Visual Studio Code, you need to install VSCode first and then Node.JS. Once done, create a .JS file, write codes, and then start writing codes.

Visual Studio Code proper is built using the Electron shell, Node.js, TypeScript, and the Language Server protocol, and is updated on a monthly basis. The extensions are updated as often as needed.

To get started creating your first extension, go to "Your First Extension" at the VS Code site. You need a bunch of stuff, including Node.js, Git, and specifically for this, Yeoman and the VS Code ...