jsvu
quickjs
jsvu | quickjs | |
---|---|---|
6 | 65 | |
1,841 | 7,674 | |
0.9% | - | |
5.9 | 9.1 | |
2 months ago | 12 days ago | |
JavaScript | C | |
Apache License 2.0 | GNU General Public License v3.0 or later |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
jsvu
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Be aware of Arrays - V8 engine advice
For debugging elements kinds to figure out a given object’s “elements kind”, get a debug build of v8 (either by building from source in debug mode or by grabbing a precompiled binary using jsvu), and run: out/x64.debug/d8 --allow-natives-syntax Note that “COW” stands for copy-on-write, which is yet another internal optimization. :))
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Can you make your own JavaScript by implementing ECMAScript standard?
See jsvu.
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How much JS is enough for reactjs/nodejs
There is more than one JavaScript engine besides V8 https://github.com/GoogleChromeLabs/jsvu. Frameworks are not necessary at all to master JavaScript as a whole.
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When is it better to use NodeJs and when is it better to use C#? What advantages does one have over the other?
Node.js is not the only option for JavaScript engines. There are several, including Deno, QuickJS, et al. https://github.com/GoogleChromeLabs/jsvu.
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Javascript readability vs performance: a false tradeoff
To get a better understanding of why our clever one-liner FizzBuzz solution is slower, we need to take a look at how V8 works. V8 is the Javascript engine that powers NodeJS, you can directly download a binary version of the engine either via JSVU instead of compiling locally.
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Jsc: My New Best Friend
Tangentially related: jsvu seems to be the easiest way to install most JS engines on most platforms. This can be useful comparing performance or compatibility across JS runtimes without firing up emulators.
https://github.com/GoogleChromeLabs/jsvu
quickjs
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Show HN: Happy Pi day with this PWA to cut 100k Pi digits offline
It uses service workers to cache static files, by the time it opens up you already free to be offline, try toggle network switch to verify.
It has download link at bottom of the about page ([accdoo.app/about]) which you could then self host it by dropping into any static hosting services.
btw, the Pi feature was by-product from the original App but I won't expand here, if you'd like to learn more, please checkout its two Show HN post (39115559 and 39138957) previously.
[wiki]: https://en.wikipedia.org/wiki/Chudnovsky_algorithm
[quickjs/pi]: https://bellard.org/quickjs/pi.html
[pi_bigint.js]: https://github.com/bellard/quickjs/blob/master/examples/pi_b...
[accdoo.app/about]: https://accdoo.app/about#releases
[39115559]: https://news.ycombinator.com/item?id=39115559
[39138957]: https://news.ycombinator.com/item?id=39138957
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Ask HN: C/C++ plugin make JavaScipt end up with C/C++ binary?
Just go with quickjs, I think this is what you are looking for.
https://bellard.org/quickjs/
- Show HW: accdoo cipher web app now fused with offline Pi cutter (100k digits)
- QuickJS JavaScript Engine
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A list of JavaScript engines, runtimes, interpreters
QuickJS
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Can you make your own JavaScript by implementing ECMAScript standard?
I think QuickJS, written in C, is a user-"friendly" starting point for implementing ECMA-262. Documentation QuickJS Javascript Engine.
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New QuickJS Release
There is a readme on the project's main page: https://bellard.org/quickjs/
The newsworthy bit here is that the activity seemed to have stalled for year or two and now Fabrice pushed a few fixes and made a new release.
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GitHub
Just to demonstrate GitHub repositories do not necessarily reflect upon a programmers' body of work, Fabrice Bellard has one (1) repository published on GitHub, quickjs. Compare the list of work on Bellard's home page https://bellard.org/.
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WinterJS
> I am still confused, it's a JavaScript runtime intended to be deployed to JavaScript/Wasm runtimes?
Seemingly.
> Why does a JavaScript runtime need a JavaScript runtime?
Because if you want to create a Service Worker server for CloudFlare Workers and other JavaScript/Wasm runtimes, that's the only option for doing that AFAIK.
FWIW, this isn't a new idea. For example, Figma uses QuickJS (https://bellard.org/quickjs/) for their plug-in runtime: https://www.figma.com/blog/an-update-on-plugin-security/
What are some alternatives?
Duktape - Duktape - embeddable Javascript engine with a focus on portability and compact footprint
npm-fast-installer - npm-fast-installer - NPM install configuration in top of YAML for fast NPM install usage.
jerryscript - Ultra-lightweight JavaScript engine for the Internet of Things.
pdjs - JavaScript External for Pure Data based on V8
mjs - Embedded JavaScript engine for C/C++
edex-ui - A cross-platform, customizable science fiction terminal emulator with advanced monitoring & touchscreen support.
Nuitka - Nuitka is a Python compiler written in Python. It's fully compatible with Python 2.6, 2.7, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 3.10, and 3.11. You feed it your Python app, it does a lot of clever things, and spits out an executable or extension module.
esp8266-quickjs - An attempt on getting QuickJS working on ESP8266 hardware
react-native-desktop-qt - A Desktop port of React Native, driven by Qt, forked from Canonical
v8go - Execute JavaScript from Go
Nim - Nim is a statically typed compiled systems programming language. It combines successful concepts from mature languages like Python, Ada and Modula. Its design focuses on efficiency, expressiveness, and elegance (in that order of priority).