HTML | <iframe> longdesc Attribute

Last Updated : 14 Oct, 2019

The HTML <iframe> longdesc Attribute is used to specify a page that contains the long description of the content of the iframe element.

Syntax:

<Iframe longdesc="URL">

Attribute Values:

URL: It contains single value i.e URL which specify the page which contains the long description of the content of the frame.
1. An absolute URL: It points to another website.
2. A relative URL: It points to a file within a website.

Example:

<!DOCTYPE html> 
<html> 
  
<head> 
    <title> 
        HTML iframe longdesc Attribute 
    </title> 
</head> 
  
<body style="text-align:center;"> 
  
    <h1 style="color:green;">GeeksforGeeks</h1> 
  
    <h4>HTML iframe longdesc Attribute</h4> 
  
    <iframe src="https://ide.geeksforgeeks.org/index.php" 
            srcdoc="<p>GeeksforGeeks</p>" id="GFG"  
            longdesc="gfg.txt" height="200" width="400"  
            name="myGeeks"> 
    </iframe> 
  
</body> 
  
</html> 