InfoQ Homepage JavaScript Content on InfoQ
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Npm Bans Packages Which Display Ads via Its Command Line Interface
npm, Inc., the company behind the popular eponymous JavaScript package manager, will no longer allow packages which display ads. Developers will be able to silence terminal messages which push ads or call for donations, and which stem from the regular use of the npm command line interface.
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Chrome 76 Shipped With PWA Installation, Stealthier Incognito Mode, Extension Tracking
Google recently released Google Chrome 76. Chrome 76 makes it easier to install Progressive Web Apps (PWAs) on the desktop, disables a commonly used Incognito Mode detection technique, and allows users to track extension activities.
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High Performance Video Editing for the Mobile Web
Forbes Lindesay, a software developer at Threads Styling, shares his experience of creating Video Renderer, a high-performance video editor that was written for a mobile web application
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eBay Increases Listing Completion Rate by 30% by Porting Barcode Scanner to the Web With WebAssembly
EBay recently reported a positive business outcome by using WebAssembly to deliver a code scanning feature to its mobile web users. The Draft Completion Rate for sellers’ listing increased by 30% by porting the in-house C++ scanning library to WebAssembly, and using it concurrently with two competing solutions.
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Ionic CLI V5 Now with Ionic React Beta Support
The Ionic Framework team recently released the fifth major iteration of the Ionic CLI. Ionic CLI v5 features Ionic React support (beta), thus allowing developers to write Ionic applications with the React JavaScript framework and Ionic UI components. Ionic CLI v5 also comes with features aiming at a better developer experience and miscellaneous bug fixes.
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Progress Announces NativeScript 6 Release
The NativeScript 6 release adds support for Vue.js and Angular 8 for creating native mobile applications with web technologies. NativeScript now also supports Progressive Web Apps (PWA), increasing the level of code reuse between web and mobile apps created with NativeScript.
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Next.js 9 Released: Q&A with Co-Author Tim Neutkens
The Next.js team recently released Next.js 9, featuring improved developer and user experience. The new Next brings built-in zero-config TypeScript support, file system-based dynamic routing, automatic static optimization, API routes, important production optimizations, and miscellaneous developer-oriented productivity features. InfoQ interviews Next.js co-author Tim Neutkens.
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Facebook Hermes May Significantly Reduce Boot-Time and Memory Usage in Android React Native Apps
Recently open-sourced by Facebook, JavaScript Engine Hermes aims to improve the performance of React Native Apps on Android devices, especially focusing on startup performance, download size, and memory consumption. Facebook claims are backed by initial benchmarking on Microsoft Office and Mattermost, an open source alternative to Slack.
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Building AR/VR Applications in the Browser
Both Augmented and Virtual reality present exciting new opportunities for web developers. We follow Doug Sillars' talk on "Building an ARt Gallery in the Browser" to find out what the state of Virtual and Augmented Reality in JavaScript is, and how developers can get involved by using A-Frame, an AR/VR JavaScript library.
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V8 JavaScript Engine 7.4, 7.5, and 7.6 Add Numerous Performance Improvements
The recent 7.4, 7.5, and 7.6 versions of Google's V8 JavaScript engine add several WebAssembly features and JavaScript performance improvements.
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Microsoft's Chromium-Based WebView2 Supports Hybrid Windows Web Apps
Microsoft recently announced a preview release of WebView2, a Chromium-based control to host web content within native Windows applications. Developers building applications that support Chromium-based browsers will get the same benefits when building hybrid applications with WebView.
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The Cost of JavaScript 2019: Improvement Opportunities Now Mostly in Download and Execution
Addy Osmani, engineering manager at Google working on Chrome, recently presented the actualized findings of the Cost of JavaScript study. Osmani contends that, as browsers engineer improvements in JavaScript parsing and compiling time, the dominant costs of processing scripts are increasingly download and CPU execution time.
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First Look at the Web Share API: Exposing the Native Device Sharing Capabilities to the Browser
Native device sharing is now possible within web browsers using the Web Share API that was recently released. Find out how it works and what's coming next in the full article
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Binary AST Proposal Could Improve Performance of Large JavaScript Apps
Binary AST is a stage 1 proposal for the JavaScript language. Binary AST aims to drastically improve the load time of large JavaScript applications by adding a new, binary encoded abstract syntax tree (AST) to the language inspired in part by WebAssembly.
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Angular 8, an Incremental Improvement to the Angular Framework
The Angular team recently released Angular 8, the latest major release of its single page application framework. This release includes a large number of bug fixes, several incremental improvements including differential loading, and a preview for both the Ivy render engine, and the Bazel build system.