HTML reference

This HTML reference describes all elements and attributes of HTML, including global attributes that apply to all elements.

• HTML element reference
  • : This page lists all the HTML elements, which are created using tags.
• HTML attribute reference
  • : Elements in HTML have attributes; these are additional values that configure the elements or adjust their behavior in various ways to meet the criteria the users want.
• Global attributes
  • : Global attributes are attributes common to all HTML elements; they can be used on all elements, though they may have no effect on some elements.
• Content categories
  • : Every HTML element is a member of one or more content categories — these categories group elements that share common characteristics.
• HTML comments
  • : HTML comments are used to add explanatory notes to the markup or to prevent the browser from interpreting specific parts of the document.
• Date and time formats used in HTML
  • : Certain HTML elements allow you to specify dates and/or times as the value or as the value of an attribute. These include the date and time variations of the {{HTMLElement("input")}}  element as well as the {{HTMLElement("ins")}}  and {{HTMLElement("del")}}  elements.