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JS & DOM Reference

Overview

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IFrame height Property

Frame/IFrame Object

Definition and Usage

The height property sets or returns the value of the height attribute in an iframe element.

The height attribute specifies the height of an iframe.

Syntax

iframeObject.height=value

The height property can have one of the following values:

Value	Description
pixels	The height in pixels (like "100px" or just "100")
%	The height in percent of the containing element (like "20%")

Browser Support

The height property is supported in all major browsers.

Example

Change the height and width of an iframe:

<html>
<head>
<script>
function changeSize()
{
document.getElementById("myframe").height="300";
document.getElementById("myframe").width="300";
}
</script>
</head>

<body>
<iframe id="myframe" src="/default.asp" height="200" width="200">
<p>Your browser does not support iframes.</p>
</iframe>
<br><br>

<input type="button" onclick="changeSize()" value="Change size">

</body>
</html>

Try it yourself »

Frame/IFrame Object