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Global Attributes
Global attributes are attributes common to all HTML elements; they can be used on all elements, though the attributes may have no effect on some elements.

The attributes listed below are supported by almost all the HTML 5 tags.
Attribute Description
accesskey Specifies a shortcut key to focus an element
class Classifies an element for use with Cascading Style Sheets.
contenteditable Content of an element is editable or not
contextmenu The context menu appears when a user right-clicks on the element.
data Used to store custom data private to the page or application
dir Specifies the element's text directionality
draggable The draggable attribute is an enumerated attribute.
hidden Specifies that an element is not yet, or is no longer, relevant
id Unique id for an element
itemprop An itemprop attribute specified, if doing so adds one or more properties to one or more items
itemscope The itemscope attribute is a boolean attribute.
itemtype item types of the item.
lang language of the element's content
spellcheck spelling and grammar checked
style Specifies an inline CSS style for an element
tabindex tabbing order of an element
title Specifies extra information about an element
translate Content of an element should be translated or not
HTML5 Elements
Tag Description
<article> Article in a document
<aside> Content aside from the page content
<audio> Sound content
<bdi> Isolates a part of text that might be formatted in a different direction from other text outside it
<canvas> Draw graphics, on the fly, via scripting (usually JavaScript)
<datalist> Specifies a list of pre-defined options for input controls
<details> Details that the user
<dialog> Dialog box or window
<embed> Container for an external (non-HTML) application
<figcaption> Caption for a <figure> Tag
<figure> Self-contained content
<footer> Footer for a document or section
<header> Header for a document or section
<main> Mmain content of a document
<mark> Marked/highlighted text
<menuitem>  Menu item that the user can invoke from a popup menu
<meter> Scalar measurement within a known range (a gauge)
<keygen> Key-pair generator field (for forms)
<nav> Navigation links
<output> Result of a calculation
<progress> Progress of a task
<section> Section in a document
<source> Multiple media resources for media elements (<video> and <audio>)
<summary> Visible heading for a <details> element
<svg> Scalable vector graphics
<time> Date/time
<track> Tracks for media elements (<video> and <audio>)
<video> Video or movie
<wbr> Possible line-break