Learn the basics of building a JavaScript testing framework. (more…)

In this story, you'll meet the Junior Developer who's being told by the "Senior" Developer how programming is easy. They just need to download the right modules from npm and the work is done! (more…)

Today I am announcing prettier, a JavaScript formatter inspired by refmt with advanced support for language features from ES2017, JSX, and Flow. Prettier gets rid of all original styling and guarantees consistency by parsing JavaScript into an AST and pre...

Step 1: Copy over old code For most of the cettia file, I just pulled the code out of that export wrapper and reindented it. I placed it in the src folder to keep it seperate from the Step 2: Make...

This week React team announced v15.5 with some deprecation warnings that prepare developers before v16. Twitter has launched a new lite… (more…)