frameborder (HTML attribute)

Spec
Depr. Version
Yes HTML 4.01
Browser support (more…)
IE5.5+ FF1+ SA1.3+ OP9.2+ CH2+
Full Full Full Full Full

Syntax

frameborder="
{ 0 | 1 }
"

Description

Depending on the design and colors used on the page that contains the iframe, it may not be immediately obvious that the content in the iframe is from another source (although that may actually be the desired outcome!). In order to make it absolutely clear, you may want to use the frameborder attribute which will cause the browser to render a visual delineation (most likely as a 3D or bevelled border, but it very much depends on the style of the browser that you use). A better solution, however, is to use CSS to apply the border style (it will give you more choice that ‘gray, dull and ugly’, too!).

Example

The header frame is given a frame border, the main window has no border:

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

Value

The HTML specification says to use "1" to signify ‘border on’ and "0" for ‘border off’, but some browsers will also honor values of "yes" and "no".

Compatibility

Internet Explorer Firefox Safari Opera Chrome
5.5 6.0 7.0 8.0 1.0 1.5 2.0 3.0 3.5 1.3 2.0 3.1 4.0 9.2 9.5 10.0 2.0
Full Full Full Full Full Full Full Full Full Full Full Full Full Full Full Full Full

Every browser listed supports this attribute.

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