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HTML: <iframe> height attribute

This article introduces the HTML iframe height attribute to specify the height of the <iframe> in pixels, with an online example demonstrating how to use the HTML iframe height attribute, browser compatibility, syntax definition, and detailed information about its attribute values.

　HTML <iframe> tag

Online Example

Set iframe width to 450 pixels, height280 pixels:

Example

<iframe　src="https://www.oldtoolbag.com/"　width="450"　height="280"></iframe>

Test it out ‹/›

Browser Compatibility

IEFirefoxOperaChromeSafari

All major browsers support the height attribute.

Definition and Usage

The height attribute specifies the height of the <iframe> in pixels.

HTML 4.01 and HTML5difference between

In HTML 4.01In HTML, the height can be defined in pixels or as a percentage of the containing element.5In the syntax, the value must be specified in pixels.

Syntax

<iframe height="pixels">

Attribute Value

Value	Description
pixels	The height of the inline frame in pixels (for example "100px

　HTML <iframe> tag

HTML: <template> tag