Skip to content
  • Home
  • Articles
  • Projects
  • About
  • Resources
  • Screencasts
  • Today I learned
  • Things I use
  • Talks
  • Newsletter
  • Home Home
  • Articles Articles
  • Screencasts Screencasts
  • Projects Projects
  • About About
  • Other Stuff
    • Blogroll People blogging great stuff.
    • Resources Bookmarks I want to keep for later.
    • Show some love Support my blog and newsletter.
    • Talks Talks I've given at conferences.
    • Things I use My hardware and software setup.
    • Today I learned 261 #TIL posts.
  • Newsletter
Stefan on LinkedIn Stefan on Mastodon Stefan on Bluesky RSS

Topic: JavaScript – Page 4

  1. How to validate URLs in JavaScript (2023 edition)

    Published Sep 08 2023 in JavaScript

    Learn how to validate URLs with the new static JavaScript method URL.canParse.

  2. How to remove all event listeners from a DOM element

    Published Aug 18 2023 in JavaScript

    Learn how to replace all on a DOM element registered event listeners by replacing it with a clone of itself.

  3. Copy an array and replace one element at a specific index with modern JavaScript

    Published Aug 10 2023 in JavaScript

    Use Array.with to copy an array and update a single entry while doing it.

  4. How to prerender Tweets without using the official Twitter APIs

    Published Jul 29 2023 in APIs , JavaScript , StaticSites

    Use Twitter's "hidden" embed API to statically prerender Tweets on your sites.

  5. How to use EventTarget as a web-native event emitter

    Published Jun 25 2023 in JavaScript

    JavaScript provides a native event emitter that you can use to implement pub/sub patterns in JavaScript.

More JavaScript content

  1. Previous page
  2. Page 4 of 27
  3. Next page

Weekly Frontend News

6451 readers received the last Web Weekly 2 days ago. Join the fun!

Most popular posts

  • Can we have custom media queries, please?
  • Web content, the social contract and copyrights
  • New lines are removed from WHATWG URLs
  • em and strong are not announced by screen readers
  • Automatically load .env files in Node.js scripts
Read popular posts

TIL: Today I learned in Web Dev

  • Intl can localize units, too!
  • The scope of type guards and assertion functions
  • New lines are removed from WHATWG URLs
Learn something new

Other stuff

Topics

  • JavaScript (131 posts)
  • CSS (107 posts)
  • Tools (64 posts)
  • HTML (56 posts)
  • Bash (45 posts)
  • NodeJS (42 posts)
  • Accessibility (38 posts)
  • Web (30 posts)
  • git (23 posts)
  • VSCode (21 posts)
  • macOS (20 posts)

Random Web Dev Learnings

  • CSS defines functions to repeat gradients
  • requestSubmit offers a way to validate a form before submit
  • What's 'roving tabindex'?
  • addEventListener accepts functions and objects
  • Conditional properties with object spread
  • How to discard tabs to save resources in Chrome, Edge and Firefox

Popular articles

  • Can we have custom media queries, please?
  • Web content, the social contract and copyrights
  • New lines are removed from WHATWG URLs

Recently updated resources

  • Staying up to date
  • Writing good docs, blogs and technical articles
  • Public speaking

stefanjudis.com © 2026 by Stefan Judis is licensed under CC BY-NC-SA 4.0

All rights reserved and content created without AI.

♥️