Web Platform Baseline Status Breakdown
Total Features: 1219
Categories:
All
HTML elements (75)
CSS (22)
Forms (22)
Selectors (13)
Background (8)
Text (7)
Landmark elements (6)
Fonts (5)
Positioning (5)
Strings (5)
WebGL extensions (5)
Arrays (4)
HTTP (4)
JavaScript (4)
Layout (4)
Media elements (4)
Primitive types (4)
Units (4)
Color types (3)
HTML (3)
Lists (3)
Security (3)
Animation (2)
Borders and outlines (2)
CSS object models (2)
Canvas (2)
Collections (2)
DOM (2)
Explicit defaults (2)
Messaging (2)
Transitions (CSS) (2)
XML (2)
Cookies (1)
Counters (1)
File system access (1)
Flexbox (1)
Geolocation (1)
Gradients (1)
Iterators (1)
JSON (1)
Maps (1)
Media queries (1)
Parsing and serialization (1)
Performance (1)
Promises (1)
Regular expressions (1)
Ruby (1)
SVG (1)
Sets (1)
Storage (1)
Text wrap (1)
Transforms (1)
Typed arrays (1)
Typographic font features (1)
Web components (1)
WebGL (1)
White space (1)
Workers (1)
2015
4 features
• July 2015
Widely Available
The <source> element sets a media resource for the <picture>, <video>, and <audio> elements.
Chrome
3
Firefox
3.5
Safari
3.1
Edge
12
Baseline Date: Jul 29, 2015
Widely Available
The <track> element is used as a child of the media elements that lets you specify a timed text track to be displayed in parallel with the media element.
Chrome
23
Firefox
31
Safari
6
Edge
12
Baseline Date: Jul 29, 2015
Widely Available
The <video> element plays videos or movies, optionally with controls provided by the browser.
Chrome
3
Firefox
3.5
Safari
3.1
Edge
12
Baseline Date: Jul 29, 2015
Widely Available
The <audio> element plays sound such as audio effects or music, optionally with controls provided by the browser.
Chrome
3
Firefox
3.5
Safari
3.1
Edge
12
Baseline Date: Jul 29, 2015