An HTML element is a type of HTML (HyperText Markup Language) document component, one of several types of HTML nodes (there are also text nodes, comment...

and may include sub-element tags. Browsers do not display the HTML tags, but use them to interpret the content of the page. HTML can embed programs written...

The HTML canvas element allows for dynamic, scriptable rendering of 2D shapes and bitmap images. Introduced in HTML5, it is a low level, procedural model...

2018. "HTML Standard, § 4.4.7 The menu element". html.spec.whatwg.org. Retrieved 19 September 2018. "HTML Standard, § 4.12.4 The slot element". html.spec...

standard. In HTML DOM (Document Object Model), every element is a node: A document is a document node. All HTML elements are element nodes. All HTML attributes...

HTML attributes are special words used to adjust the behavior or display of an HTML element. An attribute either modifies the default functionality of...

authors. Where no existing HTML element is applicable, <span> and <div> can valuably represent parts of a document so that HTML attributes such as class...

element has two uses: either to emulate the use of an HTTP response header field, or to embed additional metadata within the HTML document. With HTML...

delineation. The iframe element is used inline within a normal HTML body, and defines the initial content and name similarly to the frame element. Any text inside...

display = "block"; textElement.innerHTML = "Hide paragraph"; } else { displayElement.style.display = "none"; textElement.innerHTML = "Show paragraph"; }...

The marquee tag is a non-standard HTML element which causes text to scroll up, down, left or right automatically. The tag was first introduced in early...

HTML video is the only widely supported video playback technology in modern browsers, with the Flash plugin being phased out. The <video> element started...

Microdata is a WHATWG HTML specification used to nest metadata within existing content on web pages. Search engines, web crawlers, and browsers can extract...

A canonical link element is an HTML element that helps webmasters prevent duplicate content issues in search engine optimization by specifying the "canonical"...

formalise this approach to semantics in HTML. One important restriction of this approach is that such markup based on element inclusion must meet the well-formedness...

"CSS class", although sometimes used, is a misnomer, as element classes—specified with the HTML class attribute—is a markup feature that is distinct from...

results from a search engine. Forms are enclosed in the HTML <form> element. This HTML element specifies the communication endpoint the data entered into...

g. <p>). XML is case-sensitive for element and attribute names, while HTML is not. Some shorthand features in HTML are omitted in XML, such as (1) attribute...

included within the document itself. For HTML it is possible to include this information inside the head element near the top of the document: <meta...

The HTML article element is semantic element, similar to <section> and <header>. Introduced in HTML5, it is most commonly used to contain information that...

The latter is achieved by means of an HTML element with a "name" or "id" attribute at that position of the HTML document. The URL of the position is the...

The blink element is a non-standard HTML element that indicates to a user agent (generally a web browser) that the page author intends the content of the...

family selection is available in two forms: in the deprecated (X)HTML <font>...</font> element with its face attribute, and in the CSS font-family property...

In HTML and XHTML, the blockquote element defines "a section [within a document] that is quoted from another source". The syntax is <blockquote><p>blockquoted...

Colors". W3C. Retrieved 8 July 2013. Raggett, Dave. "HTML 3.2 Reference Specification | The BODY element". W3C. Retrieved 8 July 2013. Lilley, Chris (24 April...

the current web page or frame after a given time interval, using an HTML meta element with the http-equiv parameter set to "refresh" and a content parameter...

ROOT elements are also called document elements. In HTML, the root element is the <html> element. The World Wide Web Consortium defines not only the specifications...

element in the document. For example, in XHTML, the root element is <html>, being the first element opened (after the doctype declaration) and last closed...

by using either a whitelist or a blacklist approach. Leaving a safe HTML element off a whitelist is not so serious; it simply means that that feature...

front-end JavaScript library that extends HTML with custom attributes that enable the use of AJAX directly in HTML and with a hypermedia-driven approach....