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TypeScript Documentation

Handbook

A great first read for your daily TS work.

We also have an epub and pdf version of the Handbook.

Tutorials

Using TypeScript in several environments.

Declaration Files

Learn how to write declaration files to describe existing JavaScript. Important for DefinitelyTyped contributions.

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Licensed under the Apache License, Version 2.0.
https://www.typescriptlang.org/docs/handbook/