HTML iframe tag

From http://www.w3schools.com (Copyright Refsnes Data)

# HTML <iframe> tag

## Example

An inline frame is marked up as follows:

<iframe src ="html_intro.asp" width="100%" height="300px"> <p>Your browser does not support iframes.</p> </iframe>

Try it yourself!

## Definition and Usage

The <iframe> tag defines an inline frame that contains another document.

## Browser Support

The <iframe> tag is supported in all major browsers.

## Differences Between HTML and XHTML

The iframe element is not supported in HTML 4.1 Strict DTD and in XHTML 1.0 Strict DTD.

## Tips and Notes

Tip: To deal with browsers that do not understand iframes, place the text you want between the opening <iframe> tag and the closing </iframe> tag.

## Optional Attributes

DTD indicates in which DTD the attribute is allowed. S=Strict, T=Transitional, and F=Frameset.

Attribute | Value | Description | DTD
--- | --- | --- | ---
align | left right top middle bottom | Deprecated. Use styles instead. Specifies how to align the iframe according to the surrounding text. | TF
frameborder | 1 0 | Specifies whether or not to display a frame border | TF
height | pixels % | Defines the height of the iframe | TF
longdesc | URL | A URL to a long description of the frame contents | TF
marginheight | pixels | Defines the top and bottom margins of the iframe | TF
marginwidth | pixels | Defines the left and right margins of the iframe | TF
name | frame_name | Specifies a unique name of the iframe (to use in scripts) | TF
scrolling | yes no auto | Define scroll bars | TF
src | URL | The URL of the document to show in the iframe | TF
width | pixels % | Defines the width of the iframe | TF

## Standard Attributes

id, class, title, style

For a full description, go to Standard Attributes.

From http://www.w3schools.com (Copyright Refsnes Data)