HTML reference
ThisHTML reference describes allelements andattributes of HTML, includingglobal 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.