The alt
attribute on an <area> tag defines alternative text.
This text is used by screenreaders, search engines, JavaScript solutions, etc.
Alternative text on the area is not visible to the users.
An alt
attribute on 3 <area> tags.
<img src="/img/html/computer-map.png" alt="Computer" usemap="#computermap">
<map name="computermap">
<area alt="Monitor" shape="rect" coords="253,142,16,2"
href="href="javascript:alert('Monitor was clicked')">
<area alt="Keyboard" shape="rect" coords="262,218,0,156"
href="javascript:alert('Keyboard was clicked')">
<area alt="Mouse" shape="circle" coords="267,234,22"
href="javascript:alert('Mouse was clicked')">
</map>
The alternative text must properly describe the <area>.
This attribute is helpful for screenreaders, search engines, JavaScript solutions, etc.
<area href="URL" alt="text" />
Value | Description |
---|---|
text | Alternative text if the image fails to load. |
Here is when alt
support started for each browser:
Chrome
|
1.0 | Sep 2008 |
Firefox
|
1.0 | Sep 2002 |
IE/Edge
|
1.0 | Aug 1995 |
Opera
|
1.0 | Jan 2006 |
Safari
|
1.0 | Jan 2003 |