JavaScript

91 articles

• You may be looking for a useSyncExternalStore — Sep 23, 2025
• The anatomy of a React Island — Nov 23, 2024
• Bun – first impressions — Oct 20, 2023
• Update state during render, better explained — Jul 7, 2023
• React can update state during render — Jun 30, 2023
• My biggest React App performance boost was a backend change — Jan 31, 2023
• Over-engineering tweet embeds with web components for fun and privacy — Oct 26, 2022
• Quick tip about JavaScript's optional chaining operator — Apr 22, 2022
• Promise.allSettled, a wonderful tool for resilient code — Apr 4, 2022
• Immutability isn't free — Feb 4, 2022
• pg-mem and jest for smooth integration testing — Dec 21, 2021
• Why null checks are bad — Dec 10, 2021
• Small choices can wreck your codebase — Dec 3, 2021
• Finding unresolved promises in JavaScript — Nov 3, 2021
• Learn TypeScript in 5 minutes — Oct 12, 2021
• Stop SHOUTING = 'shouting' — Sep 21, 2021
• A surprising feature of JavaScript optional chaining — Jun 24, 2021
• 2 quick tips for 250% better Lighthouse scores – CodeWithSwiz 28 — Apr 27, 2021
• Modern backend is a JavaScript function — Sep 22, 2020
• In 2020's, what is "frontend"? 🤨 — Aug 7, 2020
• The Big Mac index and Jest fetch testing — Aug 22, 2019
• Just for fun 👉 React vs. jQuery vs. Svelte, same 🐱 app — May 24, 2019
• LOLCODE-to-JavaScript compiler babel macro — May 16, 2019
• Building an interactive DOM benchmark, preliminary results — Feb 27, 2018
• You don't want to build your own list virtualization — Feb 1, 2018
• How to populate react-redux-form with dynamic default values — Jan 25, 2018
• How to add real web push notifications to your webapp — Nov 16, 2017
• JavaScript promises are just like monads and I can explain both in less than 2 minutes — Sep 21, 2017
• How JavaScript linters cause bugs — Sep 14, 2017
• Livecoding Recap #45: Almost building a ballistic missile with React and AR.js — Sep 4, 2017
• Counting web sessions with JavaScript — May 11, 2017
• How to waste hours of life with fetch() and a bit of brainfart — Nov 1, 2016
• Livecoding #23: Slackbots and OAuth — Sep 26, 2016
• Object clone performance: preliminary results — Sep 15, 2016
• A puzzle in JavaScript objects — Sep 9, 2016
• Livecoding #16: canvas.drawImage performance is weird but magical — Jul 26, 2016
• Livecoding #15: Reaching the limits of canvas redraw speed — Jul 20, 2016
• Animating with React, Redux, and d3 — Mar 11, 2016
• Don't Worry; It's a Compiler Bug — Dec 29, 2015
• A day is not 60*60*24 seconds long — Nov 18, 2015
• There's a "bug" in ES6 modules — Nov 2, 2015
• React+Flux can do in just 137 lines what jQuery can do in 10 — Oct 16, 2015
• React components as jQuery plugins — Aug 7, 2015
• Webpack lazy loading on Rails with CDN support — Jun 4, 2015
• How to wait for DOM elements to show up in modern browsers — Mar 26, 2015
• How to run JavaScript tests in Chrome on Travis — Jan 27, 2015
• Javascript debugging [slightly] beyond console.log — Jan 14, 2015
• Kids, always remember to clear your intervals — Nov 5, 2014
• My new favourite Javascript trick — Jun 26, 2014
• Mixing mixpanel into backbone — Jan 24, 2014
• About achieving polymorphism in Javascript — Oct 15, 2013
• Are map, reduce, and filter turing complete? — Sep 17, 2013
• Writing modular Backbone with Backbone.SubRoute — Jul 31, 2013
• Dynamic languages have jumped the shark — May 31, 2013
• Videos from first Javascript meetup in Ljubljana — May 3, 2013
• Bring Ruby VCR to Javascript testing with Capybara and puffing-billy — Mar 14, 2013
• Sexy animated spirographs in 35 sloc of d3.js — Mar 7, 2013
• My very own daily WTF — Jan 10, 2013
• Testing socket.io apps — Nov 30, 2012
• Cool thing Thursday: alertify.js — Nov 29, 2012
• Game development in Webgl — Nov 19, 2012
• Experienced developers can't solve this problem — Nov 2, 2012
• Cool thing Thursday: Ceylon — Sep 27, 2012
• Cool thing thursday: in-browser 3D modeling with live preview — Sep 20, 2012
• Blackbox testing node.js apps — Jul 23, 2012
• Why I will always suck at programming [Grega Stritar] — Jul 19, 2012
• Flotr2 - my favorite javascript graph library — Jun 1, 2012
• Using Backbone to improve multiselects — Apr 13, 2012
• Tracking RSS readers with Google Analytics — Apr 6, 2012
• The exciting future Javascript — Apr 2, 2012
• My language is better than yours — Mar 30, 2012
• Closure and currying magic for cleaner javascript — Mar 14, 2012
• Webdevs, you have no idea how much you know — Mar 12, 2012
• The commonest javascript bug — Feb 24, 2012
• Heroku, mongo, node.js - a problem — Jan 30, 2012
• Appcelerator Titanium might've made it to my toolbox — Jan 23, 2012
• Learning me a Haskell — Dec 23, 2011
• A lesson about client-side templating — Dec 19, 2011
• Javascript's lack of strftime — Dec 12, 2011
• Fun javascript feature — Dec 7, 2011
• Parsing JavaScript with JavaScript — Nov 11, 2011
• Firefox's "funny" css3 image scaling quirk — Oct 17, 2011
• Functional isn't always better — Oct 7, 2011
• So how many readers _actually_ read a blog post? — Sep 16, 2011
• I learned two things today 11.8. — Aug 11, 2011
• node-unshortener can unshort any url — May 21, 2011
• A cool JavaScript property you never noticed — Apr 16, 2011
• Hard work is a total waste of time — Sep 22, 2010
• jQuery imageless buttons a la Google get an update — Jul 12, 2009
• Slovenia php conference day2 (live blogging) — Jun 6, 2009
• Adobe AIR's javascript no eval or include is moronic — Mar 25, 2009