The attributes listed below are standard and are supported by all HTML and XHTML tags, with a few exceptions. Core Attributes Not valid ...
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 |
