A rel="help" attribute value specifies that the linked page contains context-sensitive help for the current page.
The link can also be the help page for the parent element of the link.
A rel="help" on an href element.
This link opens context sensitive help.
For assistance go to
<a rel="help"
href="javascript:alert('This is help for the rel=help attribute value.')">Help</a>
The rel attribute defines the relationship between the current page and the linked page.
The rel="help" value indicates that the link offers context-sensitive help for the current page.
It can also mean that the help is for the parent element of the link with rel="help".
When used on <a> or <area> tags, the mouse pointer becomes a 'help' pointer (hand or question mark).
<tagname rel="help" />
These elements accept the help value on the rel attribute.
| Elements | Description | |
|---|---|---|
| <a> | Specifies an anchor link -- see example above | |
| <area> | Creates clickable areas inside an image map. | |
| <form> | Specifies an HTML form. | |
| <link> | Links a resource to the current page |
Here is when rel support started for each browser:
 Chrome
|
6.0 | Sep 2010 |
 Firefox
|
4.0 | Mar 2011 |
 IE/Edge
|
12.0 | Jul 2015 |
 Opera
|
11.1 | Mar 2011 |
 Safari
|
5.0 | Jun 2010 |
