compat
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whatwg
Compatibility Standard
The compat spec documents the way I initially implemented Mozilla's -webkit-box emulation in https://bugzilla.mozilla.org/show_bug.cgi?id=1208635 -- but that turned out to be problematic, so our impl has changed and the compat-spec...
`-webkit-background-size` is listed as a simple alias for `background-size` when it has different syntactic behaviour. `-webkit-background-size: 10px` is equivalent to `background-size: 10px 10px`. `background-size: 10px` is equivalent to `background-size: 10px...
Right now we talk about Chrome, Firefox, Safari... but there are obviously other browsers like Edge, Opera, Waterfox, Epiphany, etc. We should look to see if they follow a stable...
https://compat.spec.whatwg.org/#ua-string-pattern-chrome says > ``` > (; ) Chrome/ > ``` but this gives the wrong results for `` being the empty string or "Mobile " (with a trailing space, like...
Or decide if we need to. According to [this doc](https://docs.google.com/spreadsheets/d/173d1p3LkW_LWk-VMnrxGPhTobtKSpED30Fys5ZJLttA/edit?pli=1#gid=51341101), Edge supports: ``` onwebkitfullscreenchange onwebkitfullscreenerror webkitCancelFullScreen webkitCurrentFullScreenElement webkitDisplayingFullscreen webkitEnterFullScreen webkitExitFullScreen webkitFullscreenElement webkitFullscreenEnabled webkitIsFullScreen webkitRequestFullScreen webkitSupportsFullscreen ``` I looked at some...
6 years later no browsers are implementing `mask-border` and variants. We should probably remove `-webkit-mask-box` from the legacy alias name, and move them to a section where we say that...
This is the top-used prefixed property in WebKit not defined in Compat, and is supported by all major browsers, though at least WebKit has differing behaviour v. the spec for...
these are the least used properties supported in all major browsers (x: 0.08% of page loads in Chrome, y: 0.10%), but are supported
https://wicg.github.io/ua-client-hints/ has gone further than https://compat.spec.whatwg.org/#ua-string-section by trying to lock down some "enum" values. Namely: - They suggest ["platform" _should_ be one of](https://wicg.github.io/ua-client-hints/#sec-ch-ua-platform) "Android", "Chrome OS", "iOS", "Linux", "macOS", "Windows",...
The [section](https://compat.spec.whatwg.org/#windoworientation-interface) on `window.orientation` and the `orientationchange` event includes the following note: > iOS Safari also fires an orientationchange event on the body element, but other implementations do not, suggesting...
