HTML iframe longdesc attribute
Examples
Pointing to the page with a long description of the <iframe> content:
<iframe src="http://www.w3cschool.cc/"
width="200" height="200" longdesc="w3s.txt">
</iframe>
</iframe>
try it"
Browser Support
Almost all of the major browsers do not support the longdesc attribute.
Definition and Usage
HTML5 does not support the <iframe> longdesc attribute.
longdesc attribute specifies the URL to a page, the page contains a long description of the <iframe> content.
Note: Because of browser support for the longdesc attribute is very poor, there is no need to use this property.For for a <iframe> to provide a long description (if necessary), simply create a link to a page description (the link is visible to anyone).
grammar
<iframe longdesc="URL">
Property Value
值 | 描述 |
---|---|
URL | 规定描述 <iframe> 内容的页面的 URL。 可能的值:
|
HTML <iframe> tag