Below is a complete list of HTML 5 attributes, as we mentioned in our HTML 5 Reference article we will be providing a downloadable HTML 5 Attributes cheat sheet in the coming days.

  • 4* The element is defined in HTML 4+
  • 5* The element is defined in HTML 5

Attribute Value Description 4 5
accesskey character Specifies a keyboard shortcut to access an element 4  
class classname Specifies a classname for an element (used to specify a class in
a style sheet)
4 5
contenteditable true
false
Specifies whether or not a user is allowed to edit the content   5
contextmenu menu_id Specifies the context menu for an element   5
dir ltr
rtl
Specifies the text direction
for the content in an element
4 5
draggable true
false
auto
Specifies whether or not a user is allowed to drag an element   5
id id Specifies a unique id for an element 4 5
irrelevant true
false
Specifies whether or not a element is irrelevant. An irrelevant
element is
not displayed
  5
lang language_code Specifies a language code for the content in an element 4 5
ref URL / id Specifies a reference to another document / another part of a document
(use only if the template attribute is set)
  5
registrationmark reg_mark Specifies a registration mark for an element   5
style style_definition Specifies an inline style for an element 4 5
tabindex number Specifies the tab order of an element 4 5
template URL / id Specifies a reference to another document / another part of the document
that should be applied to an element
  5
title text Specifies extra information about an element 4 5

The above list is only a Standard Attribute list, if and when more HTML Attributes become available we will update this article.

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