TypeScript is a language for application-scale JavaScript development. It's a typed superset of JavaScript that compiles to plain JavaScript.

Redmond, WA
Joined September 2012
TypeScript 4.4 is here! Now with ✔ Smarter Control Flow Analysis ✔ Symbol & Pattern Indexers ✔ Stricter Checks ✔ Speed Improvements ✔ Inlay Hints ✔ Revamped --help and more! Read up more on our blog! devblogs.microsoft.com/types…
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Our team will be at #TSConf 2021 and we want to hear your questions! Get them in soon!
Get all of your questions answered at #TSConf 2021! Submit your question now! #TypeScript bit.ly/2Wgcuus
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We've just launched the new revised @TypeScript homepage, aimed at helping new folks understand what TypeScript is, how it's useful and what it can do. Find out what's changed on the TypeScript blog: devblogs.microsoft.com/types…
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TypeScript 4.4 Beta is ready to try! We want your feedback on our new analyses, strictness flags, symbol/pattern indexers, --help menu revamp, perf improvements, and more, so read up on what's new and give it a shot! devblogs.microsoft.com/types…
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TypeScript 4.3 is now available! Check out - Different get/set Types - Smarter Narrowing - 'override' Checks - #⁠private Elements - Smarter/Faster '--incremental' and '--watch' - Auto-Import Improvements - JSDoc '@⁠link' Tags and more! Try it today! devblogs.microsoft.com/types…
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TypeScript 4.3 Beta is now ready to download, now with separate get/set types, the 'override' keyword, smarter template string types, private class members, editor improvements, and more! Try it today! devblogs.microsoft.com/types…
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We've just launched the new TypeScript Handbook, a fresh perspective on the types of code people write everyday. Find out what's changed on the TypeScript blog: devblogs.microsoft.com/types…
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TypeScript 4.2 is now out with ✔ Smarter Type Aliases ✔ Non-Trailing [...rest]s in Tuple Types ✔ Stricter Checks ✔ The "Declare Missing Function" Quick Fix and more! Try it today! devblogs.microsoft.com/types…
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Roses are red Violets are blue Type 'number' is not assignable to type '1 | 2' 💖
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TypeScript 4.2 is so close! In the meantime, we've just published our Release Candidate! Try the RC today and let us know how better type display, faster inference, and other new features work for you! devblogs.microsoft.com/types…
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TypeScript retweeted
If you had the chance to participate in our #TypeOrTreat challenge last week, we'd love if you could take a minute to fill out a quick survey! surveymonkey.com/r/FSQ7DLC
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Also, if you had the chance to participate, let us know how you liked it!
If you had the chance to participate in our #TypeOrTreat challenge last week, we'd love if you could take a minute to fill out a quick survey! surveymonkey.com/r/FSQ7DLC
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TypeScript retweeted
That's a wrap on #TypeOrTreat 🎃! Thanks to everyone who played along. If you didn't get the chance to try any of the challenges, all 5 from this past week are up now with answers! dev.to/typescript/type-treat… 👻 from @NoWaySheCodes, @drosenwasser & @orta
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