The allowtransparency attribute of the IFRAME element specifies whether to allow a transparent background in the iframe.
<iframe src="example.html" allowtransparency="true"> - </iframe>
| Attribute | Value | Explanation |
|---|---|---|
| allowtransparency=" " | true | allows the transparency |
| false | not allows the transparency (default) |
Extension attribute. (Non standard attribute)
If you specify the "true" value for this attribute, add the following CSS for the BODY tag of the page to load into the iframe.
<body style="background-color: transparent;">
Please see the "Related Document" for details on CSS.
The page that sets the iframe
<div style="background: #ffffff url(image/back2.gif);"> <p><iframe src="iexample_l.html" width="300" height="150" allowtransparency="true">Alternate content</iframe></p> </div>
The page to load into the iframe (iexample_l.html)
<html> <head> <title>TAG index</title> </head> <body style="background-color: transparent;"> <p>transparent example ...</p> </body> </html>