FirefoxDevTools

https://mastodon.social/@FirefoxDevTools

Built for you to design, code, test, refine a better web for everybody. Follow us for announcements, tips, sneak peeks, and more!

Blog: https://fxdx.dev/
Documentation: https://firefox-source-docs.mozilla.org/devtools-user/
Contribute: https://firefox-source-docs.mozilla.org/devtools/

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Last Notes

2025-11-20 01:39:15 CET

Out-of-order HTML patching, another proposal from TPAC, lets HTML be presented non-linearly, and a single file can update multiple parts of the page.
Would this feature be useful to you?
https://files.mastodon.social/media_attachments/files/115/579/468/682/448/424/original/7108a3d57f6e7098.mp4

2025-11-19 01:17:57 CET

Two-phase view transitions, for faster cross-document transitions, were presented at TPAC last week. Here's a quick 3min overview…
https://files.mastodon.social/media_attachments/files/115/573/487/403/819/350/original/92fa42d78f87bc59.mp4

2025-11-19 01:02:42 CET

streamHTMLUnsafe() was presented at TPAC last week. Finally, an API that lets you easily use the streaming HTML parser from JavaScript! Here's a quick overview:
https://files.mastodon.social/media_attachments/files/115/573/426/696/414/292/original/0dc4374e1f7ea3a4.mp4

2025-10-09 19:01:16 CEST

As an experiment, we (the Firefox team) wanted to try a new way to get feedback on which Interop proposals matter most.
So, here's a web app where you can rank the proposals you care about, giving us data we can use when reviewing which ones to champion.
https://interop-rank.jakearchibald.com/

2024-12-11 17:41:24 CET

console.log("Hello mastodon.social")