This article is a step by step guide on how to download & install Visual Studio Code, along with details about its different channels.

Both tools are Visual Studio extensions, so installing either into Visual Studio is nothing more than clicking the Tools->Extensions and Updates... menu and searching for "JavaScript Unit Testing" or ...

As promised in February, Microsoft embraced the wildly popular React JavaScript library in Visual Studio 2015 by providing built-in support for its JSX syntax. So I took it for a spin. It works.

And More There are plenty more code snippet packages to download for JavaScript, as the Visual Studio Marketplace lists 105 such offerings (just searching for "JavaScript") in the Snippets category ...