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TypeScript

Practical courses for the work we actually do. Pick one, finish it, and apply it.

Any category Programming10 Python 2 JavaScript 3 TypeScript 2 SQL 1 HTML and CSS 2 DevOps1 Docker 1
Any topics APIs and Integrations 1 Object-Oriented Programming 1 Packaging and Dependencies 1 Performance Optimization 1 Programming Basics 1 Testing and Debugging 2 Type Systems 3
Any level Beginner 1 Advanced 1
TypeScript Testing and Debugging Clear filters 2 results
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TypeScript for Beginners: Catch Wrong Data Before It Runs

This is for people who already write basic JavaScript and want the compiler to catch wrong data before the code runs. You will add types to JavaScript you already know, compile with tsc, and stop guessing what a function accepts. If you skip the basics and add any until the red lines go away, you keep the old bugs and add a build step.

1h 35m 17 lessons
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TypeScript Advanced: Types That Hold Up in Production

You'll design declaration files, deep conditional types and migration paths so a real codebase stays typed as it grows.

2h 25m 17 lessons