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Deprecate reference combinators #303
Description
These should be on our radar, although we may want to wait until they're implemented somewhere before we support them. See Selectors Level 4.
Here's a page tracking browser support.
Tasks:
- Deprecate existing behavior in
stable. - Remove behavior from
master.
Activity
jleclanche commentedon Mar 16, 2012
I don't think this is here to stay; as the issue says it's a lot easier to implement as a functional pseudoclass. The syntax is really ugly, too.
sturobson commentedon May 26, 2013
quickly looking in Chrome (latest and Canary), Firefox (latest and Aurora) and Opera (latest(presto)). There seems to be varied support for level 4 selectors now. I've found this test (wrongly named as CSS4) here -
http://css4-selectors.com/browser-selector-test/
Chrome -
current -
Indeterminate-value pseudo-class (E:indeterminate)
Default option pseudo-class (E:default)
Validity pseudo-class (E:in-range)
Validity pseudo-class (E:out-of-range)
Optionality pseudo-class (E:required)
Optionality pseudo-class (E:optional)
Mutability pseudo-class (E:read-only)
Mutability pseudo-class (E:read-write)
canary -
Indeterminate-value pseudo-class (E:indeterminate)
Default option pseudo-class (E:default)
Validity pseudo-class (E:in-range)
Validity pseudo-class (E:out-of-range)
Optionality pseudo-class (E:required)
Optionality pseudo-class (E:optional)
Mutability pseudo-class (E:read-only)
Mutability pseudo-class (E:read-write)
Firefox -
current -
Indeterminate-value pseudo-class (E:indeterminate)
Default option pseudo-class (E:default)
Validity pseudo-class (E:in-range)
Validity pseudo-class (E:out-of-range)
Optionality pseudo-class (E:required)
Optionality pseudo-class (E:optional)
aurora -
Indeterminate-value pseudo-class (E:indeterminate)
Default option pseudo-class (E:default)
Validity pseudo-class (E:in-range)
Validity pseudo-class (E:out-of-range)
Optionality pseudo-class (E:required)
Optionality pseudo-class (E:optional)
Opera -
current -
Indeterminate-value pseudo-class (E:indeterminate)
Default option pseudo-class (E:default)
Validity pseudo-class (E:in-range)
Validity pseudo-class (E:out-of-range)
Optionality pseudo-class (E:required)
Optionality pseudo-class (E:optional)
Mutability pseudo-class (E:read-only)
Mutability pseudo-class (E:read-write)
Total list of level 4 selectors tested -
Negation pseudo-class (E:not(s1, s2))
Matches-any pseudo-class (E:matches(s1, s2))
Local link pseudo-class (E:local-link)
Time-dimensional pseudo-class (E:current)
Indeterminate-value pseudo-class (E:indeterminate)
Default option pseudo-class (E:default)
Validity pseudo-class (E:in-range)
Validity pseudo-class (E:out-of-range)
Optionality pseudo-class (E:required)
Optionality pseudo-class (E:optional)
Mutability pseudo-class (E:read-only)
Mutability pseudo-class (E:read-write)
Structural pseudo-class (E:nth-match(n of selector))
Grid-Structural pseudo-class (E:column(selector))
Grid-Structural pseudo-class (E:nth-column(n))
Grid-Structural pseudo-class (E:nth-last-column(n))
Attribute case-sensitivity (E[foo='bar' i])
Reference combination (E /foo/ F)
Subject of a selector with Child combinator (E! > F)
Hyperlink pseudo-class (E:any-link)
Dir pseudo-class (E:dir(*))
Just thought I'd do a little testing to see what browsers are supporting what and where to keep the issue up to date a little.
(up to date browser == latest download as of time of posting this)
nex3 commentedon Feb 17, 2017
Sass has supported this since afdf0e8, but it's since been removed from the specification so we should deprecate it.
[-]Attribute reference combinators[/-][+]Deprecate reference combinators[/+]Stop testing the reference combinator.
Stop testing the reference combinator. (#1082)
Deprecate the reference combinator.
Deprecate the reference combinator. (#2298)
Drop support for the reference combinator.
Drop support for the reference combinator.
Drop support for the reference combinator. (#2317)