InfoQ Homepage JavaScript Content on InfoQ
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CSS Writing Modes Now an Official Web Standard
The World Wide Web Consortium (W3C) recently announced that CSS Writing Modes Level 3 is now an official web standard. The new CSS standard enables developers to configure texts to be laid out horizontally or vertically, as well as to set the direction in which lines are stacked. Thanks to CSS Writing Modes, content in a large number of languages can be natively displayed.
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Prettier 2.0 Supports Typescript 3.8, Improves CLI
The opinionated code formatter Prettier recently released its second major iteration. Prettier 2.0 adds support for TypeScript 3.8. The new Prettier also strives to provide better defaults, a better CLI and better heuristics.
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Adaptive Loading for a Faster Web
The Google Chrome team recently introduced Adaptive Loading, an exploration for loading and rendering the most suitable version of a component based on network speed, CPU, memory, and other web platform signals.
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Airbnb Transfers Ownership of Enzyme, Its React Testing Library
Airbnb transferred ownership of Enzyme, its React testing library, to the new enzymejs GitHub organization. Airbnb nonetheless plans to continue to use and contribute to Enzyme.
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JavaScript Face Detection with face-api.js
The face-api.js JavaScript module implements convolutional neural networks to solve for face detection and recognition of faces and face landmarks. The face-api.js leverages TensorFlow.js and is optimized for the desktop and mobile web.
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Tone.js Interactive Music Web Framework
Tone.js leverages the Web Audio API to provide a framework for creating interactive music in the browser.
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Firefox 72 Released with Better Privacy, User Experience and a Four-Week Release Cycle
The Firefox browser shipped new versions in 2020 which strive to improve privacy, user experience, and JavaScript and WebAPI support. Additionally, Mozilla will now release new Firefox versions on a monthly cycle.
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Tenko ES2020 JavaScript Parser
Tenko is a 100% specification compliant JavaScript parser authored in JavaScript. Tenko fully supports parsing for ES6 through ES2020 syntax and language features.
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CSS Motion Path Now Supported in Most Browsers
With the release early this year of Firefox 72, the CSS Motion Path specification is now implemented in most browsers. With CSS Motion Path, developers can implement a larger range of complex animations without resorting to JavaScript, or importing full-featured animation libraries like GSAP (GreenSock Animation Platform).
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Building (and Re-Building) the Airbnb Design System - React Conf 2019
Maja Wichrowska and Tae Kim, engineers at Airbnb, explained how Airbnb’s design system evolved its architecture and implementation in response to business and technical challenges encountered.
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Storybook 5.3 Released, Targets Design Systems, Supports Web Components
Storybook 5.3 was recently released and strives to allow developers to build production design systems faster. Storybook users can now document their components with MDX, have a documentation site automatically generated, and integrate with popular design tools like Sketch, Figma or Adobe XD. Storybook 5.3 also now officially supports web components.
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A Guide to Writing Properties of Pure Functions - John Hughes at Lambda Days 2020
John Hughes, co-designer of Haskell and Quickcheck, recently discussed property-based testing at Lambda Days 2020. Hughes presented in his talk five different strategies for coming up with properties and compared their effectiveness. Metamorphic and model-based properties reportedly show high effectiveness.
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Chrome 80 Released with New Cookie Policy, Module Workers and Optional Chaining
Google recently released Google Chrome 80. Chrome 80 brings important changes to its cookie policy, supports modules in workers and optional chaining in JavaScript; adds new origin trials while graduating previous origin trials; links directly to text fragments on a page with a new hashtag syntax; and more.
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Angular 9 Released with Ivy as Default Rendering Engine
Smaller bundle sizes, improved build times, and better debugging are just some of the new improvements available in Angular 9, the latest major release of Google's popular SPA (Single Page Application) framework.
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JSX Alternative HTM 3.0 Released, with Static Subtree Caching and TypeScript Support
The Hyperscript Tagged Markup (HTM) library, which proposes an under-1KB, transpiler-free alternative to JSX, released its third major iteration. HTM 3.0 now optimizes template rendering by automatically detecting and caching static sections of a template. HTM 3.0 also provides TypeScript typing files and documentation updates.