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Josh Comeau

What Josh Comeau thinks about JavaScript

@josh-comeau · 8 positions · On ppll ↗

Software engineer and educator; writes long-form interactive tutorials on CSS, React and web animation at joshwcomeau.com.

Josh Comeau did not write this page.

We collected these quotes from things they published elsewhere, and every quote links to where it was said. They have no account here and have not endorsed this site. Quotes are word for word; the short line under each one is our own restatement, not their wording. Their own site. Is this you? Claim it or ask us to remove it. Or tell us what is wrong here.

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Only Josh Comeau on JavaScript. See everyone on JavaScript

2 dated positions, 2026, in their own words. Our reading of what Josh Comeau has said — not written or endorsed by them.

2 positions so far — this page is not yet offered to search engines.

  1. Our readingModern CSS is powerful enough that few animations need a JavaScript animation library

    CSS

    Their wordsCSS has become so powerful that there really aren't that many cases where we need to reach for an animation library these days; new APIs like View Transitions, linear(), and Animation Timeline make it possible to do all sorts of stuff without JavaScript.

    ↗CSS vs. JavaScriptjoshwcomeau.com 1st of 2 in this piece

  3. Our readingAnimation libraries that only wrap built-in CSS transitions and keyframes are not worth using, because they add main-thread work and bundle size and offer nothing new

    CSS

    Their wordsMy honest opinion is that the tools in this second category aren't worth using. They come with all of the "main thread" baggage we've been seeing in this lesson, as well as bloating our JavaScript bundles, without really offering anything in return.

    ↗CSS vs. JavaScriptjoshwcomeau.com 2nd of 2 in this piece