4 "name": "CSS Media Queries Level 4",
5 "url": "http://dev.w3.org/csswg/mediaqueries-4/",
6 "keywords": ["css media queries", "media queries"],
10 "name": "CSS Selectors Level 4",
11 "url": "http://dev.w3.org/csswg/selectors-4/",
12 "keywords": ["css selectors", "selectors"],
17 "url": "https://dom.spec.whatwg.org",
18 "keywords": ["dom", "dom4"],
23 "url": "https://html.spec.whatwg.org",
24 "keywords": ["html", "html5", "html5.1"],
29 "url": "https://streams.spec.whatwg.org",
30 "keywords": ["streams api"],
37 "name": "CSS Selector :any-link",
40 "enabled-by-default": true
42 "url": "http://dev.w3.org/csswg/selectors-4/#the-any-link-pseudo",
43 "specification": "CSS Selectors Level 4",
44 "description": "The pseudo class :any-link matches any element that would match :link or :visisted.",
45 "comment": "A prefix version :-webkit-any-link has been available for a while but it was not 100% compliant to the specification."
48 "name": "CSS Selector :lang() level 4",
51 "enabled-by-default": true
53 "url": "http://dev.w3.org/csswg/selectors-4/#the-lang-pseudo",
54 "specification": "CSS Selectors Level 4",
55 "description": "The selector :lang() is extended in level 4 to support a list of language range, each range can contain a wildcard. For example: p:lang(\"*-be\", \"en\")."
58 "name": "CSS Selector :matches()",
61 "enabled-by-default": true
63 "url": "http://dev.w3.org/csswg/selectors-4/#matches",
64 "specification": "CSS Selectors Level 4",
65 "description": "The selector :matches() takes a selector list as argument and matches an element if any of them matches (e.g. :matches(article > section, #target)). When used for styling, the specificity of :matches() is the higest specificity of all selectors in the selector list.",
66 "comment": "The pseudo classes <em>:visited</em> and <em>:link</em> are not supported inside :matches()."
69 "name": "CSS Selector :not() level 4",
72 "enabled-by-default": true
74 "url": "http://dev.w3.org/csswg/selectors-4/#negation",
75 "specification": "CSS Selectors Level 4",
76 "description": "The selector :not() in level 4 supports full selector lists as argument. For example: :not(:any-link >> img, :any-link >> picture).",
77 "comment": "The pseudo classes <em>:visited</em> and <em>:link</em> are not supported inside :not()."
80 "name": "CSS Selector :nth-child(An+B of selector list) and :nth-last-child(An+B of selector list)",
83 "enabled-by-default": true
85 "url": "http://dev.w3.org/csswg/selectors-4/#the-nth-child-pseudo",
86 "specification": "CSS Selectors Level 4",
87 "description": "The pseudo classes :nth-child() and :nth-last-child() now supports a selector list that filters what to count. For example: \":nth-child(even of .visible)\".",
88 "comment": "The pseudo classes <em>:visited</em> and <em>:link</em> are not supported inside :nth-child() and :nth-last-child()."
91 "name": "CSS Selector :placeholder-shown",
94 "enabled-by-default": true
96 "url": "http://dev.w3.org/csswg/selectors-4/#placeholder",
97 "specification": "CSS Selectors Level 4",
98 "description": "The selector :placeholder-shown matches any input element that has a visible placeholder.",
99 "comment": "Styling the placeholder can be done through the WebKit pseudo-element \"::-webkit-input-placeholder\"."
102 "name": "Case-insensitive attribute selectors",
105 "enabled-by-default": true
107 "url": "http://dev.w3.org/csswg/selectors-4/#attribute-case",
108 "specification": "CSS Selectors Level 4",
109 "description": "Any attribute selector that test a value can take a flag \"i\" to use case insensitive checks. For example: input[type=number i] test the value \"number\" case-insensitively."
112 "name": "Element.closest()",
115 "enabled-by-default": true
117 "url": "https://dom.spec.whatwg.org/#dom-element-closest",
118 "documentation-url": "https://developer.mozilla.org/en-US/docs/Web/API/Element/closest",
119 "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=137418",
120 "specification": "DOM",
121 "description": "Find the closest ancestor matching the selector passed as argument. The element itself is returned if it matches the selector."
124 "name": "Force Click Events",
126 "status": "Prototyping",
127 "enabled-by-default": true
129 "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=142836",
130 "description": "Provide the events necessary to handle force click events in the page, overriding the default behavior."
133 "name": "Interaction Media Features (pointer, hover, any-pointer, any-hover)",
136 "enabled-by-default": true
138 "url": "http://dev.w3.org/csswg/mediaqueries-4/#mf-interaction",
139 "specification": "CSS Media Queries Level 4",
140 "description": "The \"pointer\" media defines how percise the pointing device is. The \"hover\" media defines the ability of the poiting device to hover elements."
143 "name": "Navigator.hardwareConcurrency",
146 "enabled-by-default": true
148 "url": "https://wiki.whatwg.org/wiki/Navigator_HW_Concurrency",
149 "webkit-url": "http://trac.webkit.org/changeset/169017",
150 "description": "Navigator.hardwareConcurrency provides the total number of logical processors available to the user agent."
153 "name": "Readable Streams",
155 "status": "In Development",
156 "enabled-by-default": true
158 "url": "https://streams.spec.whatwg.org/#rs",
159 "webkit-url": "https://bugs.webkit.org/show_bug.cgi?id=138967",
160 "specification": "Streams",
161 "comment": "The ReadableStream and ReadableStreamReader interfaces are available but not functional."