Open
Bug 1197736
Opened 9 years ago
Updated 1 year ago
Implement the `:blank` pseudo-class
Categories
(Core :: CSS Parsing and Computation, enhancement)
Core
CSS Parsing and Computation
Tracking
()
NEW
| Tracking | Status | |
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| firefox43 | --- | affected |
People
(Reporter: dbaron, Unassigned)
References
(Blocks 1 open bug, )
Details
(Keywords: dev-doc-needed)
We should implement the :blank pseudo-class. We already have :moz-only-whitespace which is almost the same, except :moz-only-whitespace considers '\f' (form feed) to be whitespace and the current spec for https://drafts.csswg.org/selectors-4/#the-blank-pseudo does not. (We should figure out whether that's a spec bug!)
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Comment 1•9 years ago
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Form feed is considered white space in the HTML spec: https://html.spec.whatwg.org/multipage/syntax.html (search for 0x0C to find the places it's mentioned) It seems like a good idea if these two specs agreed. I think the CSS spec should be updated to include \f.
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Reporter | |
Comment 2•9 years ago
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Yes; see also: https://lists.w3.org/Archives/Public/www-style/2015Aug/0237.html https://lists.w3.org/Archives/Public/www-style/2015Aug/0240.html
:blank now matches user input elements (<input>, <textarea>, etc.) that have a value of null or the empty string.
Blocks: selectors-4
Type: defect → enhancement
Summary: implement :blank pseudo-class → Implement the `:blank` pseudo-class
See Also: → https://github.com/w3c/csswg-drafts/issues/1967
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Updated•5 years ago
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Keywords: dev-doc-needed
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Updated•2 years ago
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Severity: normal → S3
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Description
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