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Comment by jashkenas | Hacker News Reader

    * SoundScript (Google)
    * SaneScript (Google)
    * TypeScript (Microsoft)
    * ECMAScript 4 (Dead)
    * AtScript (Google)
    * Flow (Facebook)
    * Closure Compiler Strict Mode (Google)
    * Asm.js (Mozilla)
    * Dart (Google)
    * PureScript (OSS)

Welcome to the Typed JavaScript Thunderdome! Ten contenders enter, one JS leaves!

https://www.youtube.com/watch?v=pmRAiUPdRjk

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Asm.js is just standard JS that happens to conform to Mozilla's performance guarantees.

Indeed, and it benefits from ES6 stuff which was added for asm.js's sake.

Google consists of openly competing departments as far as I understand? Java vs Go vs Dart vs Python vs AtScript vs Sane/Sound/Script. They are either non-general-purpose (DSL) or competing.

You forgot

    * Dependent JavaScript (Mozilla + Microsoft)

http://cseweb.ucsd.edu/~rchugh/research/nested/djs.pdf https://github.com/ravichugh/djs

http://xkcd.com/927/

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