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Echo JS

Echo JS

@echojs.bsky.social

15 followers 1 following 110 posts

Community-driven news site entirely focused on #JavaScript.

All posts from the https://echojs.com RSS feed on Bluesky.

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Echo JS

@echojs.bsky.social

How We Catch UI Bugs Early with Visual Regression Testing

http://www.echojs.com/news/43115

https://dev.to/subito/how-we-catch-ui-bugs-early-with-visual-regression-testing-and-playwright-5h2a

How We Catch UI Bugs Early with Visual Regression Testing - DEV Community

Visual regression testing is a powerful technique to ensure our web application looks as expected,... Tagged with playwright, testing, ci, automation.

November 12, 2025 at 6:02 PM

Echo JS

@echojs.bsky.social

DNS Resolution Adds Up

http://www.echojs.com/news/43114

https://macarthur.me/posts/dns/

DNS Resolution Adds Up | Alex MacArthur

DNS resolution is cheap, but it ain't free. In scenarios when it counts, the `dns-prefetch` resource hint could give you a nice, slight edge in the front-end performance game.

November 11, 2025 at 9:01 PM

Echo JS

@echojs.bsky.social

Error chaining in JavaScript: cleaner debugging with Error.cause

http://www.echojs.com/news/43113

https://allthingssmitty.com/2025/11/10/error-chaining-in-javascript-cleaner-debugging-with-error-cause/

Error chaining in JavaScript: cleaner debugging with Error.cause - Matt Smith

Use JavaScript's 'cause' property to chain errors, preserve context, and simplify debugging. Cleaner stack traces, better test assertions.

allthingssmitty.com

November 10, 2025 at 3:01 PM

Echo JS

@echojs.bsky.social

Thoughts on Architecting LARGE software projects, the Front End perspective

http://www.echojs.com/news/43112

https://adropincalm.com/blog/thoughts-on-architecting-large-software-projects/

November 9, 2025 at 3:01 PM

Echo JS

@echojs.bsky.social

testing-mcp -- Write complex integration tests for web app

http://www.echojs.com/news/43111

https://github.com/mcpland/testing-mcp

GitHub - mcpland/testing-mcp: Let LLMs author your integration tests—E2E-style.

Let LLMs author your integration tests—E2E-style. Contribute to mcpland/testing-mcp development by creating an account on GitHub.

November 7, 2025 at 9:01 PM

Echo JS

@echojs.bsky.social

MP3 realtime spectrum visualization

http://www.echojs.com/news/43109

https://slicker.me/javascript/mp3/mp3_visualizer.htm

Tutorial — MP3 Spectrum visualization

November 7, 2025 at 6:01 PM

Echo JS

@echojs.bsky.social

Get a database version string when using release-please

http://www.echojs.com/news/43108

http://www.echojs.com/news/43108

November 7, 2025 at 12:04 AM

Echo JS

@echojs.bsky.social

SVAR React Gantt v2.3 Released with React 19 & TypeScript support

http://www.echojs.com/news/43106

https://svar.dev/blog/react-gantt-2-3-released/

October 28, 2025 at 9:01 AM

Echo JS

@echojs.bsky.social

Nomoji – replace emojis with SVG!

http://www.echojs.com/news/43105

https://github.com/pakastin/nomoji

GitHub - pakastin/nomoji: Replace emojis in text with SVG images

Replace emojis in text with SVG images. Contribute to pakastin/nomoji development by creating an account on GitHub.

October 28, 2025 at 12:04 AM

Echo JS

@echojs.bsky.social

Comparing Page Transition Strategies in Next.js: A Performance Study

http://www.echojs.com/news/43104

https://dev.to/alessandro-grosselle/comparing-page-transition-strategies-in-nextjs-a-performance-study-19i0

Comparing Page Transition Strategies in Next.js: A Performance Study - DEV Community

In the era of modern web development, we often ask ourselves: what's the best way to navigate between... Tagged with performance, nextjs, webdev, ux.

October 26, 2025 at 3:01 PM

Echo JS

@echojs.bsky.social

Calendar.js v2.12.4 - New settings and APIs (as requested by the community)

http://www.echojs.com/news/43103

https://www.calendar-js.com/

Calendar.js : JavaScript Event Calendar

A powerful, and customizable, javascript event Calendar. With multiple views and tons of settings, Calendar.js can be tailored to suit your every need. Lightweight.

www.calendar-js.com

October 24, 2025 at 12:03 PM

Echo JS

@echojs.bsky.social

@nerdalytics/beacon v1000.2.3

http://www.echojs.com/news/43102

https://www.npmjs.com/package/@nerdalytics/beacon/v/1000.2.3

October 24, 2025 at 9:01 AM

Echo JS

@echojs.bsky.social

Rethinking async loops in JavaScript

http://www.echojs.com/news/43099

https://allthingssmitty.com/2025/10/20/rethinking-async-loops-in-javascript/

Rethinking async loops in JavaScript - Matt Smith

Struggling with 'await' in loops? Explore common mistakes and modern solutions to optimize async code for performance.

allthingssmitty.com

October 20, 2025 at 3:01 PM

Echo JS

@echojs.bsky.social

Quiet UI is now open source under the MIT license

http://www.echojs.com/news/43097

https://quietui.org/

A UI library for the Web with a focus on accessibility, longevity, performance, and simplicity.

October 19, 2025 at 12:01 PM

Echo JS

@echojs.bsky.social

SVAR React DataGrid - Open-Source, Fast, Accessible Data Grid for React

http://www.echojs.com/news/43095

https://svar.dev/blog/react-datagrid-2-3-released/

October 16, 2025 at 3:01 PM

Echo JS

@echojs.bsky.social

Evolving Our UI Library: From Custom Components to a Hybrid Radix Approach

http://www.echojs.com/news/43094

https://dev.to/subito/evolving-our-ui-library-from-custom-components-to-a-hybrid-radix-approach-448f

Evolving Our UI Library: From Custom Components to a Hybrid Radix Approach - DEV Community

How subito.it, Italy’s leading online classifieds platform, navigated the complexities of UI... Tagged with radix, tailwindcss, css, webdev.

October 14, 2025 at 9:01 PM

Echo JS

@echojs.bsky.social

zustand-travel: A powerful and high-performance undo/redo middleware for Zustand with Travels

http://www.echojs.com/news/43092

https://github.com/mutativejs/zustand-travel

GitHub - mutativejs/zustand-travel: A powerful and high-performance undo/redo middleware for Zustand with Travels

A powerful and high-performance undo/redo middleware for Zustand with Travels - mutativejs/zustand-travel

October 7, 2025 at 3:01 PM

Echo JS

@echojs.bsky.social

How to group arrays in JavaScript without reduce()

http://www.echojs.com/news/43091

https://allthingssmitty.com/2025/10/06/grouping-arrays-in-modern-javascript-object-groupby-and-map-groupby/

How to group arrays in JavaScript without reduce() - Matt Smith

Ditch the reduce() boilerplate! Learn how to use Object.groupBy() and Map.groupBy() in JavaScript to group data with cleaner, more expressive code.

allthingssmitty.com

October 6, 2025 at 3:01 PM

Echo JS

@echojs.bsky.social

Fern fractal (Barnsley)

http://www.echojs.com/news/43090

https://slicker.me/javascript/fern%20fractal.htm

October 5, 2025 at 6:01 AM

Echo JS

@echojs.bsky.social

TravelsJS: A fast, framework-agnostic undo/redo core powered by Mutative patches

http://www.echojs.com/news/43089

https://github.com/mutativejs/travels

GitHub - mutativejs/travels: A fast, framework-agnostic undo/redo core powered by Mutative patches

A fast, framework-agnostic undo/redo core powered by Mutative patches - mutativejs/travels

October 2, 2025 at 6:01 PM

Echo JS

@echojs.bsky.social

JavaScript Grid for building applications distributed under MIT, BSD and other open source licenses

http://www.echojs.com/news/43088

https://github.com/webix-hub/grid

GitHub - webix-hub/grid: The Webix Grid is a high-performance JavaScript component for displaying and managing large amounts of tabular data.

The Webix Grid is a high-performance JavaScript component for displaying and managing large amounts of tabular data. - webix-hub/grid

October 1, 2025 at 3:01 PM

Echo JS

@echojs.bsky.social

mutative-yjs: A high-performance library for building Yjs collaborative web applications with Mutative

http://www.echojs.com/news/43087

https://github.com/mutativejs/mutative-yjs

GitHub - mutativejs/mutative-yjs: A library for building Yjs collaborative web applications with Mutative

A library for building Yjs collaborative web applications with Mutative - mutativejs/mutative-yjs

October 1, 2025 at 12:04 AM

Echo JS

@echojs.bsky.social

[EchoJS Meta] Commercial Content And Libraries

http://www.echojs.com/news/43086

http://www.echojs.com/news/43086

September 30, 2025 at 9:01 PM

Echo JS

@echojs.bsky.social

Simulate various sets of tuning forks using the Web Audio API

http://www.echojs.com/news/43069

https://github.com/evoluteur/healing-frequencies

GitHub - evoluteur/healing-frequencies: Play the healing frequencies of various sets of tuning forks: Solfeggio, Organs, Mineral nutrients, Ohm, Chakras, Cosmic octave, Otto, DNA nucleotides... or custom.

Play the healing frequencies of various sets of tuning forks: Solfeggio, Organs, Mineral nutrients, Ohm, Chakras, Cosmic octave, Otto, DNA nucleotides... or custom. - evoluteur/healing-frequencies

September 29, 2025 at 6:01 PM

Echo JS

@echojs.bsky.social

New React Component to Build Edit Forms - SVAR React Editor

http://www.echojs.com/news/43083

https://svar.dev/blog/react-editor-released/

September 29, 2025 at 3:01 PM