HTML and XHTML Standard Attributes
The attributes listed below are standard and are supported by all
HTML and XHTML tags,
with a few exceptions.
Core Attributes
Not valid in base, head, html, meta, param, script, style, and title elements.
Attribute |
Value |
Description |
class |
class_rule or style_rule |
The class of the element. Used to specify a class in the style
sheet. |
id |
id_name |
A unique id for the element. Used with CSS or JavaScript |
style |
style_definition |
An inline style definition
|
title |
tooltip_text |
A text to display in a tool tip
|
Language Attributes
Not valid in base, br, frame, frameset, hr, iframe, param, and script
elements.
Attribute |
Value |
Description |
dir |
ltr | rtl |
Sets the text direction
|
lang |
language_code |
Sets the language code for the enclosed content.
Language code reference |
Keyboard Attributes
Attribute |
Value |
Description |
accesskey |
character |
Sets a keyboard shortcut to access an element |
tabindex |
number |
Sets the tab order of an element |
|