Summary: The web more or less depends on one of the prefixed versions of
matchesSelector (being implemented). We might as well implement the
webkit one and drop the moz one.
Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1216193
Standard: https://dom.spec.whatwg.org/#dom-element-webkitmatchesselector
Platform coverage: all
Estimated or target release: 44
Preference behind which this will be implemented: No preference, though
I could add one for now if we want to bake this for a few releases on
nightly/aurora before shipping it.
Other information:
Q: Do other browser engines implement this?
A: This is implemented by WebKit and Blink, of course. According to
https://github.com/whatwg/compat/issues/3 this is also implemented by MS
Edge. That means everyone except us implements it, as far as I can tell.
Q: What are the web designer / developer use-cases?
A: No comment.
-Boris
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