Is an element being in multiple categories a valid classic category?

What are the categories of HTML elements?

There are three kinds of HTML elements: normal elements, raw text elements, and void elements.

  • Normal elements usually have both a start tag and an end tag, although for some elements the end tag, or both tags, can be omitted. …
  • Raw text elements (also known as text or text-only elements) are constructed with:

What is palpable content?

The MDN definition of Palpable Content is as follows: A content is palpable when it’s neither empty nor hidden. Elements whose model is flow content or phrasing content should have at least one node which is palpable. As per this definition Palpable Content is the one which can have at least one child node.

What are the standards of HTML?

The W3C is the best known web standards body, but there are others such as the WHATWG (who maintain the living standards for the HTML language), ECMA (who publish the standard for ECMAScript, which JavaScript is based on), Khronos (who publish technologies for 3D graphics, such as WebGL), and others.

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How do you categorize HTML tags?

The HTML tags can also be simply divided based on basic categories like Basic HTML Root Tags, Formatting tags, Audio and Video Tags, Form and Input Tags, Frame Tags, Link Tags, List Tags, Table Tags, Style Tags, Meta Tags, etc.

What is void element in HTML?

A void element is an element whose content model never allows it to have contents under any circumstances. Void elements can have attributes. The following is a complete list of the void elements in HTML : area , base , br , col , command , embed , hr , img , input , keygen , link , meta , param , source , track , wbr.

What is difference between element and tag in HTML?

Tags are used to mark up the start of an HTML element and they are usually enclosed in angle brackets.


HTML Tags HTML Elements HTML Attributes
HTML tag starts with < and ends with > Whatever written within a HTML tag are HTML elements. HTML attributes are found only in the starting tag.

What is Flow content and phrasing?

Other than the W3 official documentation the MDN documentation is helpful and states: Flow content is defined as following: Elements belonging to the flow content category typically contain text or embedded content. Phrasing content is defined as following: Phrasing content defines the text and the mark-up it contains.

What is flow element in HTML?

The HTML flow tags are used in the body of the HTML documents. The body of the HTML document contains almost all the tags of the HTML that are used to display the different types of the content, such as plain text, links, and images in the HTML document.

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What is HTML flow content?

Flow content is an HTML5 category that corresponds to the HTML categories Block-level elements and Inline elements. It contains all elements that are allowed as a direct child of the element. Elements belonging to the flow content category also contain text or embedded content.

Does HTML uses predefined tags?

HTML contains lots of predefined tag. Some of them are described below: Document structure tag: HTML tag: It is the root of the html document which is used to specify that the document is html.

How do you create categories and subcategories in HTML?

Use any element to open the subnav/dropdown menu, e.g. a