Editing HTML (section)

{{Short description|HyperText Markup Language}}
{{Redirect2|.htm|.html||HTM (disambiguation){{!}}HTM}}
{{pp-vandalism|small=yes}}
{{Infobox file format
| name          = HTML
| icon          = HTML5 logo and wordmark.svg
| icon_size     = 150px
| _noextcode    = on
| extension     = {{unbulleted list|<code>.html</code>|<code>.htm</code>}}
| mime          = text/html
| type code     = TEXT
| uniform type  = public.html
| conforms to   = 
| developer     = {{unbulleted list|[[WHATWG]]|[[World Wide Web Consortium]] (W3C; formerly)}}
| released      = {{Start date and age|1993|df=yes}}
| latest release version = [https://html.spec.whatwg.org/multipage/ Living Standard]
| latest release date = 
| genre         = [[Document file format]]
| container for = [[HTML elements]]
| contained by  = [[Web browser]]
| extended from = [[Standard Generalized Markup Language|SGML]]
| extended to   = [[XHTML]]
| standards     = 
| open          = Yes
| url           = {{URL|https://html.spec.whatwg.org/}}
| iconcaption   = Official logo of [[HTML5]]<ref>{{Cite web | url=https://www.w3.org/html/ | title=W3C Html}}</ref><!-- W3C officially uses the HTML5 logo -->
}}
{{HTML}}
'''Hypertext Markup Language''' ('''HTML''') is the standard [[markup language]]{{efn|Even though HTML can be run in a browser, it is not viewed as a [[programming language]] in programming language discourse.<ref>{{Cite book |author-link=Felienne Hermans|last1=Hermans |first1=Felienne |last2=Schlesinger |first2=Ari |title=Proceedings of the 2024 ACM SIGPLAN International Symposium on New Ideas, New Paradigms, and Reflections on Programming and Software |chapter=A Case for Feminism in Programming Language Design |date=2024-10-17 |language=en |publisher=ACM |pages=205–222 |doi=10.1145/3689492.3689809 |isbn=979-8-4007-1215-9}}</ref>}} for documents designed to be displayed in a [[web browser]]. It defines the content and structure of [[web content]]. It is often assisted by technologies such as [[Cascading Style Sheets]] (CSS) and [[scripting language]]s such as [[JavaScript]], a programming language.

[[Web browser]]s receive HTML documents from a [[web server]] or from local storage and [[browser engine|render]] the documents into multimedia web pages. HTML describes the structure of a [[web page]] [[Semantic Web|semantically]] and originally included cues for its appearance.

[[HTML element]]s are the building blocks of HTML pages. With HTML constructs, [[HTML element#Images and objects|images]] and other objects such as [[Fieldset|interactive forms]] may be embedded into the rendered page. HTML provides a means to create [[structured document]]s by denoting structural [[semantics]] for text such as headings, paragraphs, lists, [[Hyperlink|links]], quotes, and other items. HTML elements are delineated by ''tags'', written using [[Bracket#Angle brackets|angle brackets]]. Tags such as {{code|lang=html|code=<img>}} and {{code|lang=html|<input>}} directly introduce content into the page. Other tags such as {{code|lang=html|code=<p>}} and {{code|lang=html|code=</p>}} surround and provide information about document text and may include sub-element tags. [[Web browser|Browsers]] do not display the HTML tags, but use them to interpret the content of the page.

HTML can embed programs written in a [[scripting language]] such as [[JavaScript]], which affects the behavior and content of web pages. The inclusion of CSS defines the look and layout of content. The [[World Wide Web Consortium]] (W3C), former maintainer of the HTML and current maintainer of the CSS standards, has encouraged the use of [[CSS]] over explicit presentational HTML {{as of|1997|lc=y|since=y|post=.}}<ref name="deprecated">{{cite web|title=HTML 4.0 Specification — W3C Recommendation — Conformance: requirements and recommendations |url=https://www.w3.org/TR/REC-html40-971218/conform.html#deprecated|date=December 18, 1997|publisher=World Wide Web Consortium|url-status=live|archive-url=https://web.archive.org/web/20150705040855/http://www.w3.org/TR/REC-html40-971218/conform.html|archive-date=July 5, 2015|access-date=July 6, 2015}}</ref> A form of HTML, known as [[HTML5]], is used to display video and audio, primarily using the {{code|lang=html|<canvas>}} element, together with JavaScript.