| Key | Description | Availability |
|---|
| alt | Specifies alternative text to display if the element cannot be displayed as expected. | |
| class | CSS class assigned to the element. | |
| coords | Comma-delimited x, y coordinates for the element. | |
| dir | Direction of the element text. | |
| href | Path or URL for the linked document or object. | |
| hreflang | Indicates the language of the linked resource. | |
| id | Unique identifier for the element. | |
| lang | Language code for the content of the element. | |
| media | A hint of the media for which the linked resource was designed, for example print and screen. | |
| name | Define a names for the clickable area so that it can be scripted by older browsers. | |
| nohref | If present, specifies that the element has no href. | |
| rel | For anchors containing the href attribute, this attribute specifies the relationship of the target object to the link object. | |
| shape | For an anchor that defines a hyperlink, shape of the selectable hypertext region. | |
| style | Inline style for the element. | |
| tabindex | Position of the element in the tabbing order for the document. | |
| target | Target window to use for opening the linked document. | |
| title | Short text description for the element. | |
| type | This attribute specifies the media type in the form of a MIME type for the link target. | |
| onblur | Fires when the element loses focus. | |
| onclick | Fires when the element is clicked. | |
| ondblclick | Fires when the element is double-clicked. | |
| onfocus | Fires when the element receives focus. | |
| onkeydown | Fires when a user presses down on a key while the element has focus. | |
| onkeypress | Fires when a user presses a key or holds down the key while the element has focus. | |
| onkeyup | Fires when a user releases a key while the element has focus. | |
| onmousedown | Fires when a user clicks down on the mouse button while the element has focus. | |
| onmousemove | Fires when the mouse moves while the pointer over the element. | |
| onmouseout | Fires when the mouse pointer moves off of the element. | |
| onmouseover | Fires when the mouse pointer moves over the element. | |
| onmouseup | Fires when the user releases the mouse button while the element has focus. | |