14143 2011-09-13 19:11:06 +0000 Selectors Level 3 - E:javascript AND E:not(:javascript) 2012-02-19 10:33:01 +0000 1 1 1 Unclassified CSS Media Queries unspecified All All NEW P2 normal --- 1 bugzilla33 tantek howcome mike plh public-css-bugzilla oldest_to_newest 56756 0 bugzilla33 2011-09-13 19:11:06 +0000 Very useful: E:javascript an E element when javascript enabled E:not(:javascript) an E element when javascript disabled 62899 1 plh 2012-01-19 13:43:06 +0000 It seems that you need to raise this against http://www.w3.org/TR/selectors4/ I can't really imagine a reason why this would need to go into the HTML specification. 64285 2 fantasai.bugs 2012-02-19 10:33:01 +0000 Actually, this belongs to Media Queries, since the CSSWG is planning to handle it there. (It's not testing a quality of the element, but of the document environment.)