The Practical Client Tools for Debugging Web Workers Web workers in TypeScript give you concurrent processing but they can be awkward to debug. However, if you set up your web worker code as just ...

Microsoft VS Code 1.42 is out: New debug tools for TypeScript, JavaScript, Chrome Microsoft delivers new improvements and fixes for its popular cross-platform code editor, Visual Studio Code.

It makes sense for Microsoft to add a built-in JavaScript debugger in VS Code for developers building apps in it or in Microsoft's own superset of the language, TypeScript.