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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>


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
HTML iframe tag Reviewed by 1000sourcecodes on 04:50 Rating: 5
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