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Feb 25, 2020. We are thrilled to announce the General Availability release of Scala.js 1.0.0! Scala.js is a close dialect of Scala compiling to JavaScript, featuring great portability wrt. Scala/JVM, interoperability with JavaScript, and performance. After 7 years of development, including 5 years of stability within the 0.6.x series, we are finally ready to present Scala.js 1.0.0. Quoting Antoine

Jul 3, 2017. We are very excited to announce the first milestone of Scala.js 1.0.0, aka 1.0.0-M1! This development release is mostly intended for testing purposes, and as a synchronization point with library authors so that they can start upgrading in preparation for the final release. As the change in “major” version number witnesses, this release is not binary compatible with 0.6.x. Libraries ne

Jun 4, 2017. We are excited to announce the release of Scala.js 0.6.17! This release is mostly a bug-fix release, but it also brings a few new features. One bug fix which we would like to highlight is #2943/#2827. The optimizer exposed a quadratic behavior which meant insanely long times of fastOptJS on some codebases, which we have now fixed. This was particularly true in test suites using ScalaT

Mar 21, 2017. We are excited to announce the release of Scala.js 0.6.15! This release was focused on preparations for Scala.js 1.0.0. It notably contains better replacements for some features that we were not 100% happy with, which are now deprecated and will be dropped in 1.0.0. Thanks to @olafurpg and his great tool scalafix, you can automatically migrate your codebase for the first and most int

Jan 25, 2016. We are excited to announce the release of Scala.js 0.6.6! It has been a long while since the last release, almost 5 months already. That was too long, and we apologize. In the future, we hope never to let more than 2 months elapse between consecutive releases. Besides bug fixes, this release brings several major improvements: js.TupleN, a JS equivalent of Scala tuples Support for JUn

May 12, 2015. We are excited to announce the release of Scala.js 0.6.3! A lot has happened in this release, probably because we dragged it for a longer amount of time than usual (2 months since the last release!). Besides the usual bag of bug fixes, there are three highlights: Support for BigInteger and BigDecimal, thanks to an incredible amount of work by @InTheNow. Extension of jsDependencies to

This is a step-by-step tutorial where we start with the setup of a Scala.js sbt project and end up having some user interaction and unit testing. The code created in this tutorial is available with one commit per step in the scalajs-tutorial repository on GitHub. Step 0: Prerequisites To go through this tutorial, you will need to have installed a Java Development Kit (JDK) and download & install s

Jul 30, 2014. We are excited to announce the release of Scala.js 0.5.3! This release was focused mostly on performance, bringing speedups from 1.3x to 3.3x to your applications. In some cases, Scala.js becomes slightly faster than JavaScript! Scala.js 0.5.3 is backward binary compatible with older versions of the 0.5.x branch. However, it is not forward binary compatible. This means: You don’t nee

Scala.js 1.20.1 Harness the Scala and JavaScript ecosystems together. Develop robust apps for browsers, Node.js, and serverless. Strong typing guarantees your code is free of silly mistakes; no more mixing up strings or numbers, forgetting what keys an object has, or worrying about typos in your method names. Scala.js takes care of all this tedious book-keeping for you, letting you focus on the ac