HTML <iframe> tag
Example
An inline frame is marked up as follows:
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<iframe src ="html_intro.asp"
width="100%" height="300px">
<p>Your browser does not support iframes.</p>
</iframe>
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Try it yourself!
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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
For a full description, go to Standard
Attributes.
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