Learn programming tools like JavaScript, TypeScript, SQL, and regular expressions fast. Interactive lessons with real code examples. (more…)

Why using TypeScript over vanilla JavaScript is a better choice in Enterprise Software Development... (more…)

I’ve recently been getting into TypeScript following a lot of positive blogs about it from Tom Dale and others. Today I’ll show you how I’ve set up a TypeScript project from scratch that uses React, and Webpack for managing the build process. I’ll also di... (more…)

javascript: “ One of the Core Web team’s goals at Tumblr is to reduce the number of runtime issues that we see in our React codebase. To help move some of those issues from runtime to compile time, I... (more…)

Lately we’ve been noticing a lot of NaN’s show up in our app. We search for the source and find the following code: We sigh to ourselves, and decide maybe it’s finally time to add a type checker. We… (more…)