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TypeScript is a language for application-scale JavaScript. TypeScript adds optional types to JavaScript that support tools for large-scale JavaScript applications for any browser, for any host, on any OS. TypeScript compiles to readable, standards-based JavaScript. Try it out at theplayground, and stay up to date viaour blog andTwitter account.

Find others who are using TypeScript atour community page.

For the latest stable version:

npm install -D typescript

For our nightly builds:

npm install -D typescript@next

There are many ways tocontribute to TypeScript.

• Submit bugs and help us verify fixes as they are checked in.
• Review thesource code changes.
• Engage with other TypeScript users and developers onStackOverflow.
• Help each other in theTypeScript Community Discord.
• Join the#typescript discussion on Twitter.
• Contribute bug fixes.

This project has adopted theMicrosoft Open Source Code of Conduct. For more information seetheCode of Conduct FAQ or contactopencode@microsoft.comwith any additional questions or comments.

• TypeScript in 5 minutes
• Programming handbook
• Homepage

For details on our planned features and future direction, please refer to ourroadmap.