HTML Reference Manual

Complete List of HTML Tags

HTML: <frame> longdesc Attribute

The longdesc attribute specifies the URL of the page, which contains a detailed description of the frame content. The support for the longdesc attribute is very poor, so it should not be used.

　HTML <frame> tag

Online Example

The longdesc attribute points to a page that contains a detailed description of the frame content:

Example

<frameset cols="50%,50%">
　　<frame src="frame_a.htm" longdesc="w3s.txt">
　　<frame src="frame_b.htm">
</frameset>

Test it out ‹/›

Browser Compatibility

IEFirefoxOperaChromeSafari

Almost all mainstream browsers do not support the longdesc attribute.

Definition and Usage

HTML5 The <frame> tag is not supported.

The longdesc attribute specifies the URL of the page that contains a detailed description of the frame content.

Tip:　The longdesc attribute is poorly supported and should not be used. To provide a detailed description of the frame (if necessary), simply create a link (visible to anyone) to a page with the description.

Syntax

<frame longdesc="URL">

Attribute value

Value	Description
URL	Specifies the URL of the page that defines the content of the description frame. Possible values: Absolute URL - Points to another website (for example, longdesc="http://www.example.com/description.txt") Relative URL - Points to a file within the website (for example, longdesc="description.txt")

　HTML <frame> tag

HTML: <template> tag