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.

If execute is true (when the file is saved), Run Code Extension runs the extension commands written in the file, and the value of execute becomes false.. To track the progress, it generates ...

Runs a shell command, and reads the output to do different things. Lets your external scripts / programs integrate more tightly with vscode: open and modify files, show messages, and more.