Microsoft has created a built-in JavaScript debugger for Visual Studio Code, the wildly popular, open source-based, cross-platform code editor. That built-in experience comes via vscode-js-debug, a ...

Microsoft is working on a new debugger for Node.js and Chrome, which is installed by default for insiders and can also be installed from the Visual Studio marketplace.

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.

Visual Studio Code extensions are written in JavaScript, as is much of Visual Studio Code. If you don’t know about the Node.js JavaScript runtime, or JavaScript itself, read up on them first.