Web & UI

TypeScript

A strongly typed language that builds on JavaScript, adding tooling and type safety for applications at any scale.

Share this starting point code.study/typescript
Created by
Anders Hejlsberg , Microsoft
First appeared
2012
Official resource
Visit the main website

Your first program

Hello, World!

TypeScript
const message: string = "Hello, World!";
console.log(message);

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Where to go from here

Use trusted documentation for facts and an AI tutor for personalized explanations.

01

Official resource

Learn from the source

Continue with the language’s official documentation, project, or standards site.

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02

Personalize it

Ask your AI tutor

Use a focused prompt covering strengths, tradeoffs, setup, and this first program.

Your prompt

Teach me the basics of TypeScript. Use https://code.study/typescript as the starting point. Explain what TypeScript is best suited for, when I should not choose it, how to install or try it, and then walk me through its Hello World example step by step.

Content reviewed August 2026 · Start with primary sources and verify version-specific details.