Fullscreen API Standard

E48505

W3C specification browser API specification web standard

The Fullscreen API Standard is a web specification that defines how websites can programmatically display elements in full-screen mode across browsers.

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All labels observed (4)

Label	Occurrences
Fullscreen API	9
Fullscreen API Standard canonical	2
Document.fullscreenElement	1
HTML5 Fullscreen API	1

How this entity was disambiguated

This entity first appeared as the object of triple T380429 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Fullscreen API Standard
Context triple: [WHATWG, develops, Fullscreen API Standard]

A. Arena web browser
Arena web browser was an early experimental web browser in the 1990s that served as a testbed for emerging World Wide Web standards such as HTML and CSS.
B. WebRTC
WebRTC is an open web technology that enables real-time audio, video, and data communication directly between browsers and devices without requiring plugins.
C. Retina display
Retina display is Apple’s high-resolution screen technology designed to make pixels virtually indistinguishable to the human eye for sharper, more detailed visuals.
D. SMPTE ST 2059
SMPTE ST 2059 is a professional media industry standard that defines how to use IEEE 1588 Precision Time Protocol to synchronize clocks and signals across IP-based audio, video, and broadcast systems.
E. DirectShow
DirectShow is a Microsoft multimedia framework and API used on Windows for capturing, processing, and playing audio and video streams.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Fullscreen API Standard
Target entity description: The Fullscreen API Standard is a web specification that defines how websites can programmatically display elements in full-screen mode across browsers.

A. Arena web browser
Arena web browser was an early experimental web browser in the 1990s that served as a testbed for emerging World Wide Web standards such as HTML and CSS.
B. WebRTC
WebRTC is an open web technology that enables real-time audio, video, and data communication directly between browsers and devices without requiring plugins.
C. Retina display
Retina display is Apple’s high-resolution screen technology designed to make pixels virtually indistinguishable to the human eye for sharper, more detailed visuals.
D. SMPTE ST 2059
SMPTE ST 2059 is a professional media industry standard that defines how to use IEEE 1588 Precision Time Protocol to synchronize clocks and signals across IP-based audio, video, and broadcast systems.
E. DirectShow
DirectShow is a Microsoft multimedia framework and API used on Windows for capturing, processing, and playing audio and video streams.
F. None of above. chosen

Statements (44)

Predicate	Object
instanceOf	W3C specification ⓘ browser API specification ⓘ web standard ⓘ
appliesTo	web browsers ⓘ web documents ⓘ
area	web APIs ⓘ web browser interoperability ⓘ
constrains	privacy considerations for full-screen usage ⓘ security considerations for full-screen usage ⓘ
contributesTo	cross-browser compatibility for full-screen APIs ⓘ
defines	CSS pseudo-classes for full-screen state ⓘ events related to entering and exiting full-screen mode ⓘ methods to request full-screen mode for elements ⓘ programmatic control of full-screen display of web content ⓘ
definesInterface	:-webkit-full-screen CSS pseudo-class ⓘ :fullscreen CSS pseudo-class ⓘ Document.exitFullscreen ⓘ Document.fullscreenElement ⓘ linked to: Fullscreen API Standard Element.requestFullscreen ⓘ fullscreenchange event ⓘ fullscreenerror event ⓘ
ensures	user can always exit full-screen mode ⓘ
goal	ensure consistent full-screen behavior across browsers ⓘ improve user experience for immersive web applications ⓘ provide a standardized way to present content in full-screen mode ⓘ
hasFullName	Fullscreen API ⓘ linked to: Fullscreen API Standard
influenced	browser vendor implementations of full-screen behavior ⓘ
partOf	Open Web Platform ⓘ
publishedBy	W3C Web Applications Working Group ⓘ linked to: W3C Working Group World Wide Web Consortium ⓘ
relatedTo	CSS Fullscreen Module Level 1 ⓘ Document Object Model ⓘ linked to: DOM HTML Standard ⓘ linked to: HTML Living Standard
requires	user gesture for entering full-screen mode ⓘ
status	living standard ⓘ
supports	HTML elements ⓘ SVG elements ⓘ XML elements in web documents ⓘ
supportsFeature	asynchronous full-screen requests ⓘ error handling for failed full-screen requests ⓘ full-screen mode for arbitrary elements ⓘ
usedBy	presentation web applications ⓘ video players on the web ⓘ web games ⓘ

How these facts were elicited

Referenced by (13)

Full triples — surface form annotated when it differs from this entity's canonical label.

WHATWG → develops → Fullscreen API Standard ⓘ

Web Hypertext Application Technology Working Group → developsStandard → Fullscreen API Standard ⓘ

Fullscreen API Standard → hasFullName → Fullscreen API ⓘ