JavaScript engine for Internet of Things
JerryScript is a very lightweight JavaScript engine with capability to run on microcontrollers with less then 8KB of RAM. JerryScript is the lightweight JavaScript engine intended to run on a very constrained devices such as microcontrollers: Only few kilobytes of RAM available to the engine (<64 KB RAM) Constrained ROM space for the code of the engine (<200 KB ROM) The engine supports on-device c
GitHub - schteppe/p2.js: JavaScript 2D physics library
// Create a physics world, where bodies and constraints live var world = new p2.World({ gravity:[0, -9.82] }); // Create an empty dynamic body var circleBody = new p2.Body({ mass: 5, position: [0, 10] }); // Add a circle shape to the body var circleShape = new p2.Circle({ radius: 1 }); circleBody.addShape(circleShape); // ...and add the body to the world. // If we don't add it to the world, it won
SIMD型について - JS.next
概要 新しいプリミティブ型であるSIMD型及びAPIがV8で実装されてきている。 SIMDとは、複数の数値を並べて１つの値としたようなデータ型である。 これはCPUによって効率良くサポートされているデータ型であり、 1 + 2 -> 3 をするように [ 1, 2, 3, 4 ] + [ 2, 3, 4, 5 ] -> [ 3, 5, 7, 9 ] を1回の演算ですることができる。 つまり、沢山の数値を扱う場面でSIMD型を利用することで、何倍ものパフォーマンス向上が期待できる。 （※WASMに入ることとなり、ESからは一旦取り除かれました。） 実装される型 float32x4 32bit浮動小数点型を4つ並べた128bitのデータ型 float32はJSの通常のnumberであるところのfloat64より精度が低い int32x4 32bit符号付き整数型を4つ並べた128bitのデータ
Why I use Tape Instead of Mocha & So Should You
UPDATE: I now use RITEway instead of Tape. It’s wrapper around Tape to make it even simpler to write great unit tests which provide clear bug reports when they fail. See “Rethinking Unit Test Assertions” for more details. TL;DR: Mocha is a $150k Porsche Panamera when the best tool for the job is a $30k Tesla Model 3. Don’t waste your resources on testing bells and whistles. Invest them in creating
Canopy produces portable PEG parsers – The If Works
Most of the open-source software that I write is done at least partly for learning purposes. The majority of it isn’t used by many people, I just wrote it to implement some existing idea, so I could understand how it works. One such project is Canopy, a PEG parser generator that I originally wrote as part of a very protracted yak shave – while writing a Capybara driver to run in the browser, I fou
GitHub - kriskowal/gtor: A General Theory of Reactivity
A work in progress. There are three recordings of a presentation of A General Theory of Reactivity: OSCON, MediterraneaJS, MidwestJS. The presentation includes figures and animations not presented here. In the context of a computer program, reactivity is the process of receiving external stimuli and propagating events. This is a rather broad definition that covers a wide variety of topics. The ter
168 JSJ The Future of JavaScript with Jafar Husain - JavaScript Jabber - - Top End Devs
03:29 - The Great Name Debate (ES6, ES7 = ES2015, ES2016!!)
Flux in Depth. Overview and Components.
Edit · May 15, 2015 · 16 minutes read · Follow @mgechev Flux JavaScript AngularJS React MVC MVW This is the first blog post of the series “Flux in Depth”. Is this “yet the another flux tutorial”? What I have seen so far, while researching flux, were mostly “how-to” tutorials (usually with todo applications), which describe the main components of given flux application and the data flow between the
Flux in Depth. Store and Network Communication.
Edit · Jul 18, 2015 · 13 minutes read · Follow @mgechev Flux JavaScript AngularJS React MVC MVW This is the second, and probably be the last, blog post of the series “Flux in Depth”. In the first post we did a quick overview of flux, took a look at the stateless, pure components, immutable data structures and component communication. This time, we’re going to introduce the store and how we can com
Building a property passthrough Higher-Order Component for React - James K Nelson
Just want the component? Find it at GitHub Possibly the most frequently re-implemented code across any React component is that used to pass properties through to child components. This stems from the fact that you generally need some sort of input to make the component useful, while you don’t want these component-specific properties polluting the props on your children. This would be all well and
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GitHub - jdalton/polyfill-guide: The developer’s guide to creating responsible forward-looking polyfills
Proposal for Encoding Source-Level Environment Information Within Source Maps
ES6ではデータのプロパティをクラス直下で定義できない - Qiita
GitHub - cognitom/tokoro: 住所緯度経度変換ライブラリ (ジオコーディング)
GitHub - christianalfoni/cerebral: Declarative state and side effects management for popular JavaScript frameworks
Release v0.9.0 · testem/testem
GitHub - azu/browser-resources: A Collection of official Resources/Status/Issues for browsers.
Javascript Regular Expressions
GitHub - sroucheray/event-class: An event / channel JavaScript (ES6) class
