Scala.js

Scala.js is a programming language created in 2013 by Martin Odersky.

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Scala ( SKAH-lah) is a general-purpose programming language providing support for functional programming and a strong static type system. Designed to be concise, many of Scala's design decisions aimed to address criticisms of Java.Scala source code is intended to be compiled to Java bytecode, so that the resulting executable code runs on a Java virtual machine. Scala provides language interoperability with Java, so that libraries written in both languages may be referenced directly in Scala or Java code. Read more on Wikipedia...

Scala.js website
Scala.js Wikipedia page
Scala.js is developed on GitHub and has 4,324 stars
Scala.js first developed in https://github.com/scala-js
Scala.js compiles to JavaScript
There are 181 members in the Scala.js subreddit
scala-js.org was registered in 2013
See also: (37 related languages)JVM, JavaScript, LLVM IR, Eiffel, Erlang, Haskell, Java, Lisp, Pizza, Standard ML, OCaml, Scheme, Smalltalk, Oz, Ceylon, Fantom, F#, Kotlin, Lasso, Red, Java Bytecode, C, Android, Pascal, C#, Python, ML, CSP, Groovy, Clojure, Swift, Perl, Go, PowerShell, Objective-C, R, Ruby
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Example from the web:

class Person(val firstName: String, val lastName: String) {
 def fullName(): String =
   s"$firstName $lastName"
}

Example from Wikipedia:

val urls = List("https://scala-lang.org",  "https://github.com/scala/scala")

def fromURL(url: String) = scala.io.Source.fromURL(url)
  .getLines().mkString("\n")

val t = System.currentTimeMillis()
urls.par.map(fromURL(_))
println("time: " + (System.currentTimeMillis - t) + "ms")

Feature	Supported	Token	Example
Print() Debugging	✓	println

Publications about Scala.js from Semantic Scholar

title	authors	year	citations
Parallel incremental whole-program optimizations for Scala.js	S. Doeraene and Tobias Schlatter	2016	4
Semantics-driven interoperability between Scala.js and JavaScript	S. Doeraene and Tobias Schlatter and Nicolas Stucki	2016	4
Scalagna 0.1: towards multi-tier programming with Scala and Scala.js	Bob Reynders and Michael Greefs and D. Devriese and F. Piessens	2018	4

Scala.js - Programming language

Language features

Publications about Scala.js from Semantic Scholar