HTML <iframe> width Attribute

HTML iframe Tag Reference HTML <iframe> tag

Example

An <iframe> with a specified height and width of 200 pixels:

<iframe src="/default.asp" width="200" height="200"></iframe>

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Definition and Usage

The width attribute specifies the width of an <iframe>, in pixels.


Browser Support

Attribute
width Yes Yes Yes Yes Yes

Differences Between HTML 4.01 and HTML5

In HTML 4.01, the width could be defined in pixels or in % of the containing element. In HTML5, the value must be in pixels.


Syntax

<iframe width="pixels">

Attribute Values

Value Description
pixels The width in pixels (like "100px" or just "100")

HTML iframe Tag Reference HTML <iframe> tag

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