You’ve Got Options for Removing Event Listeners

A review of some of the most common approaches available to remove event listeners in JavaScript.  -https://macarthur.me/posts/options-for-removing-event-listeners

#javascript

Comparing JavaScript Frameworks: Templates

A thorough comparison of the template languages used by React, Vue, Angular and Svelte. Interesting analysis and this looks set to turn into a great series. - https://www.maartenhus.nl/blog/comparing-javascript-frameworks-part-1-templates/

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8 Advanced JavaScript Interview Questions for Senior Roles

JavaScript is a powerful language that is one of the primary building blocks of the web. This powerful… - https://levelup.gitconnected.com/8-advanced-javascript-interview-questions-for-senior-roles-c59e1b0f83e1

#javascript #interview

Optimizing JavaScript for Fun and for Profit

A tour of several things to avoid to keep your code running fast and smooth, complete with examples. While the performance ground upon which we walk is often shifting, many of these things are good, common sense practices. - https://romgrk.com/posts/optimizing-javascript

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Evolution of Server-Side JavaScript

From Java-based runtimes to the rise of Node.js, the birth of NPM, the growing ecosystem, the innovating… - https://itnext.io/evolution-of-server-side-javascript-314a8d408da4

#server #side #javascript

A Look at ECMAScript's Iterator Helper Methods

The proposal is several years old, but now at stage 3 in TC39, Iterator Helpers are being implemented and ship with V8 12.2/Chrome 122. The helpers are functions like .map, .filter, .take and .forEach and are made available to any object with Iterator.prototype in its prototype chain. - https://v8.dev/features/iterator-helpers

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A Proposal to Add Signals to JavaScript

A (very) early stage proposal for bringing a new feature to ECMAScript/JavaScript: signals! The proposal brings aboard ideas from a swathe of popular frameworks and aims to align everyone and get us on the same page when it comes to working with state and making updates based upon changes to state. - https://github.com/tc39/proposal-signals

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The Event Loop, Web APIs, and (Micro)task Queue Visualized  - https://www.youtube.com/watch?v=eiC58R16hb8

#javascript

Creating Realistic Handwriting with p5.js

Amy wanted to programatically bring her (cursive) handwriting into some diagrams she was making and figured out how to make it happen with p5.js. - https://www.amygoodchild.com/blog/cursive-handwriting-in-javascript

#javascript

ECMAScript 2023 Feature: Symbols as WeakMap keys

Dr. Axel continues his look at language features by explaining what WeakMaps are for and why using symbols for keys has added benefits. - https://2ality.com/2024/05/proposal-symbols-as-weakmap-keys.html

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45 JavaScript Super Hacks Every Developer Should Know

JavaScript is a versatile and powerful language that is essential for modern web development. Here are 100 super hacks that will make you a more efficient and effective JavaScript developer, with detailed explanations and examples for each one. - https://blog.devgenius.io/45-javascript-super-hacks-every-developer-should-know-92aecfb33ee8

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Promises from the Ground Up

Josh notes that in order to truly understand promises, a fundamental part of modern JS development, we need “a surprisingly deep understanding of how JavaScript works and what its limitations are”. Luckily, this tutorial covers all the critical context you need. - https://www.joshwcomeau.com/javascript/promises/

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As a Frontend Dev, Don’t You Even Know How to Use Symbol?

Symbol is one of the primitive data types in JavaScript, it represents a unique, immutable value, usually… - https://javascript.plainenglish.io/as-a-frontend-dev-dont-you-even-know-how-to-use-symbol-a7111b08a899

#javascript

TC39 Meets Again and Advances Key Proposals

The Ecma TC39 group that pushes forward the development of ECMA/JavaScript met again this week and moved several key proposals forward, including Deferred Import Evaluation, Error.isError(), RegExp escaping, and Promise.try. - https://socket.dev/blog/tc39-advances-key-proposals

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Using the Page Visibility API

Set up event listeners to do things when page visiblity changes. - https://developer.mozilla.org/en-US/blog/using-the-page-visibility-api/

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A Look at JavaScript's New Set Methods

Finding the intersection, union, and difference between sets, among other set-related tasks, is now a piece of cake. Available in Node 22+, Chrome/Edge 122+, Firefox 127+, Safari 17+, and now considered a 'baseline' feature. - https://developer.mozilla.org/en-US/blog/javascript-set-methods/

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BWIP-JS: A Barcode Writer in Pure JavaScript

A library that can generate barcodes using over 100 different barcode types and standards, both single and two dimensional. There is, of course, a live demo where you, too, can discover far more types of barcodes exist than you ever imagined. - https://github.com/metafloor/bwip-js

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How to Annul Promises in JavaScript

You can 'cancel' XHR and fetch requests, but can you cancel regular promises? Currently, no, but Zachary looks into doing the next best thing: telling a promise the game's up, and discarding/ignoring its eventual results. - https://webdeveloper.beehiiv.com/p/cancel-promises-javascript

#javascript

JavaScript Interview Questions in 2024

Do you know the answers? - https://levelup.gitconnected.com/javascript-interview-questions-in-2024-from-an-interviewer-3034aca4993f

#javascript

JS Explained: Symbol.dispose and Symbol.asyncDispose

Unlock the secrets of Symbol.dispose and Symbol.asyncDispose for effective resource management in JavaScript. - https://medium.aegis-techno.fr/js-explained-symbol-dispose-and-symbol-asyncdispose-cdd48c7d7f4b

#javascript