This means that Visual Studio Code must run in the context of your project folder.
Visual Studio Code projects are folder based. Then follow installation steps from : Running VS Code on Mac How to start Visual Studio Code from Terminal window?
You have IntelliSense on JavaScript, it's Typescript oriented by default. You can create your own project templates. Visual Studio Code does not rely on predefined project templates to create a project. Visual Studio Code is a brand new cross-platform IDE from Microsoft. Visual Studio Code is good choice to develop, debug and deploy JavaScript, TypeScript and NativeScript Apps. The purpose of this section is to guide you to install Visual Studio Code in your development environment.