Use of the longdesc attribute, to point to a page with a long description of an image:
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The longdesc attribute is not supported by any of the major browsers.
The <img> longdesc attribute is not supported in HTML5.
The longdesc attribute specifies an URL to a page that contains a long description of an image.
Tip: The longdesc attribute is so poorly supported that it should not be used. To offer a long description of an image, simply create a link (that is visible to anyone) to a page with the description.
| Value | Description |
|---|---|
| URL | An URL to a page that describes the image. Possible values:
|
HTML <img> tag
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