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by Ian Lloyd

marginwidth (HTML attribute)

Browser support full matrix
IE5.5+ FF1+ Saf1.3+ Op9.2+
Full Full Full Full
Spec
Depr. Version
Yes HTML 4.01
marginwidth="Width in pixels"

Example

The iframe content has a 10 pixel margin applied to the sides:

<iframe src="iframe-content.html" height="200"
width="200" frameborder="1" marginheight="20" marginwidth="20">
<p>Your browser does not support iframes.
That kinda sucks, eh?</p>
</iframe>

Description

This is a very rudimentary styling attribute that allows you to specify a width in pixels between the content and the sides of the frame. Note that you cannot set a different value for the left and right sides.

Value

Width in pixels.

Compatibility

IE5.5Full
6.0Full
7.0Full
Firefox1.0Full
1.5Full
2.0Full
Safari1.3Full
2.0Full
3.0Full
Opera9.2Full

Every browser listed supports this attribute.

Applying a marginwidth is not the best way to set styles like this - you are better off using Cascading Style Sheets to define how pages should look within a iframe (you also have the benefit of being able to set different values for a document’s left and right sides in CSS).

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