HTML tags can have attributes. The special attributes for each tag are listed under each tag description. The attributes listed here are the core and language attributes that are standard for all 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 |
| id | id_name | A unique id for the element |
| 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 |
Keyboard Attributes
| Attribute | Value | Description |
|---|---|---|
| accesskey | character | Sets a keyboard shortcut to access an element |
| tabindex | number | Sets the tab order of an element |