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News 2024-01-13: New release (Changelog) 2023-12-09: New release (Changelog) Introduction QuickJS is a small and embeddable Javascript engine. It supports the ES2023 specification including modules, asynchronous generators, proxies and BigInt. It optionally supports mathematical extensions such as big decimal floating point numbers (BigDecimal), big binary floating point numbers (BigFloat) and ope
33640 (Higher scores are better). Test details All tested JS engines are interpreters and may run with limited resources. The performance of the V8 engine is also given as a reference for a high performance Javascript engine using just-in-time compilation and optimized for this benchmark. The bench-v8 source code is provided in the QuickJS tests archive (tests/bench-v8 directory). The programs wer
Hermes is a JavaScript engine optimized for fast start-up of React Native apps. It features ahead-of-time static optimization and compact bytecode. If you're only interested in using pre-built Hermes in a new or existing React Native app, you do not need to follow this guide or have direct access to the Hermes source. Instead, just follow these instructions to enable Hermes. Noted that each Hermes
Rush makes life easier for JavaScript developers who build and publish many packages from a common Git repo. If you're looking to break up your giant application into smaller pieces, and you already realized why it doesn't work to put each package in a separate repo... then Rush is for you! The Rush differenceThese days many different tools can run "npm install" and "npm run build" in 20 different
JavaScriptの日付操作には罠が多く、業務では日付操作を簡単かつ安全に操作するライブラリが使われる。日付操作のライブラリの中でもMoment.js (opens new window)(Star数40,601)はよく知られているが、ファイルサイズが大きくパフォーマンス改善の妨げになることがある。 そこでこの記事ではより軽量でMoment.jsの代替となるdayjs (opens new window)(Star数19,872)を紹介する。 # dayjsとは dayjsとは、日付操作を簡単にするJavaScriptのライブラリだ。Moment.jsのAPIと広く互換があり、gzip圧縮されたサイズは2.71KBと軽量なのが特徴だ。 # インストール dayjsが十分Moment.jsの代わりになり得るのか確認していく。 まずはインストールして、業務で使われる日付操作をみていく。
compiled Svelte shifts as much work as possible out of the browser and into your build step. No more manual optimisations — just faster, more efficient apps. compact Write breathtakingly concise components using languages you already know — HTML, CSS and JavaScript. Oh, and your application bundles will be tiny as well. complete Built-in scoped styling, state management, motion primitives, form bi
import * as OTPAuth from "otpauth"; // Create a new TOTP object. let totp = new OTPAuth.TOTP({ // Provider or service the account is associated with. issuer: "ACME", // Account identifier. label: "AzureDiamond", // Algorithm used for the HMAC function. algorithm: "SHA1", // Length of the generated tokens. digits: 6, // Interval of time for which a token is valid, in seconds. period: 30, // Arbitra
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