Firefox supports CSS Transitions

Warning This article was written over six months ago, and may contain outdated information.

Support for the CSS Transitions module, originally proposed and implemented by the WebKit team, has just landed in the nightly builds of Firefox; it’s unsure whether this will make it into 3.6, as this is due to be released in the near future, but should be a feature in 3.7 at least.

The experimental feature will use the proprietary ‑moz- prefix; I’ve updated the demos in my previous post, Anime with CSS and WebKit, to reflect this.

After performing some brief tests there seem to be a few problems with the implementation; it’s not as smooth as it could be, and the third demo doesn’t work as it should. Update: Found an issue with the browser not recognising a value without a unit (e.g. 0 instead of 0%); fixed the demo, and filed a bug.

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