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.

BlockLike.js is an educational JavaScript library that attempts to extend the block-based Scratch learning experience to JavaScript text-based programming.

Using callback-passing for asynchronous actions does not compose well and creates complex flows of passing callbacks around. The JavaScript community has produced several libraries to cope with this.