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 <input> element as well as the <ins> and <del> elements.