nashorn
just
| nashorn | just | |
|---|---|---|
| 10 | 25 | |
| 367 | 3,547 | |
| 6.0% | 0.6% | |
| 0.0 | 2.5 | |
| about 1 year ago | 6 months ago | |
| Java | JavaScript | |
| GNU General Public License v3.0 only | MIT License |
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nashorn
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A list of JavaScript engines, runtimes, interpreters
nashorn
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I'm not a programmer, my fiance is. Sometimes I like to show him memes from here and he'll explain them to me. Now I'm just confused. (The meme was someone labeled JavaScript bowing to someone named PHP while other programming languages looked in shock.)
I mean...
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What challenges are there moving from Java 8 to 17?
It's still maintained by the open jdk team here: https://github.com/openjdk/nashorn
- Java 16 - How can i run a JavaScript function in my Java code?
- Call JavaScript From Java
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Java isn't js
Although Java includes Javascript, or at least it used to. These days it has been taken out as a separate library (https://github.com/openjdk/nashorn), which honestly makes even more sense for the metaphor.
- A JavaScript engine for the JVM, built from the ground up with Kotlin
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JDK 17: General Availability
What prevents you from using https://github.com/openjdk/nashorn? It's available on maven
just
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A list of JavaScript engines, runtimes, interpreters
just
- Just-JS: small, secure, robust and performant JavaScript runtime for Linux
- Elixir Saves Pinterest $2M a Year in Server Costs
- GitHub - just-js/just: a very small v8 javascript runtime for linux only
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I have done a full benchmark of a POST REST API on my computer: Node.js vs Fastify vs Express.js vs Deno vs Bun vs GO. Node.js is used WITH and WITHOUT clustering on 6-core I7 processor
https://github.com/just-js/just Is another for a V8 runtime, it really shows how well optimized it is. https://www.techempower.com/benchmarks/#section=data-r21
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Bun v0.6.0 – Bun's new JavaScript bundler and minifier
i just tried recompiling v0.0.2 (https://github.com/just-js/just/releases/tag/0.0.2) of just-js and comparing it to current. for the completely static build on ubuntu 22.04 i see following:
0.0.2 (v8 v8.4.371.18) - file size: 15.2 MB, startup RSS: 8.4 MB
- Just – A small V8 JavaScript runtime for Linux only
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Is Scala to Java the same relationship as TypeScript has with ECMAScript?
Not at all. Javascript, as well as java compiled into the bytecode, but just incrementally and at the runtime. You cannot compile typescript into bytecode directly (at least it intend to be like that). You can even compile js to executable (https://github.com/just-js/just). So no, typescript transpiles to javascript, whereas scala compiles to bytecode, it's different things
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A C++ web/application framework I have been building for the last 12yrs
Trust me, these guys are insane and go to really extreme levels and use optimization techniques which are not generally prevalent among the general programming fraternity. for eg, look at pico.v it is awesome and just-js is truly unbelievable, then there is faf, most of them combine low level programming trickery to reach those insane numbers. Also some of the code may not be useful in a production app but they actually extract the juice out of the metal at every instance. Memory optimizations, compiler optimizations, postgresql wire implmentations, rust black magic, these guys are really crazy and passionate.
- Caffè Italia * 26/10/22
What are some alternatives?
rhino - Rhino is an open-source implementation of JavaScript written entirely in Java
bun - Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one
reeva - A JavaScript engine for the JVM, built from the ground up with Kotlin.
fastapi - FastAPI framework, high performance, easy to learn, fast to code, ready for production
jdk-mc - Recent Java with modifications specific to Minecraft.
ntex - framework for composable networking services
zipline - Run Kotlin/JS libraries in Kotlin/JVM and Kotlin/Native programs
hermes - A JavaScript engine optimized for running React Native.
cglib - cglib - Byte Code Generation Library is high level API to generate and transform Java byte code. It is used by AOP, testing, data access frameworks to generate dynamic proxy objects and intercept field access.
jerryscript - Ultra-lightweight JavaScript engine for the Internet of Things.
quickjspp - Port of QuickJS Javascript Engine.
picohttpparser - tiny HTTP parser written in C (used in HTTP::Parser::XS et al.)