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

JavaScript (JS) is one of the most popular programming languages, and widely used for web apps and even backend development. Due to its dynamic nature, however, JS applications often have a reputation for poor software quality. As a type-safe superset of ... (more…)

If you’re sending or receiving data in TypeScript, chances are high that you are using JSON. There’s a better way. (more…)

High-level notes about TypeScript. Contribute to orta/typescript-notes development by creating an account on GitHub. (more…)

When a developer with C# or Java background learns TypeScript, there is a temptation to write TypeScript with the same style as C# or Java. It is easy to lose TypeScript's beauty by not understanding the type system TypeScript offers and how it differs fr... (more…)