Web & UI
TypeScript
A strongly typed language that builds on JavaScript, adding tooling and type safety for applications at any scale.
- Created by
- Anders Hejlsberg , Microsoft
- First appeared
- 2012
- Official resource
- Visit the main website
Your first program
Hello, World!
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.
Official resource
Learn from the source
Continue with the language’s official documentation, project, or standards site.
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Ask your AI tutor
Use a focused prompt covering strengths, tradeoffs, setup, and this first program.
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.