IFrame height Property

Change the height of an iframe:

document.getElementById("myFrame").height = "400";

Description

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.

Tip: Use the width property to set or return the value of the width attribute in an iframe.

Property
height	Yes	Yes	Yes	Yes	Yes

Return the height property:

iframeObject.height

Set the height property:

iframeObject.height = pixels

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

Return Value:	A String, representing the height of the iframe, in pixels

Return the height of an iframe:

var x = document.getElementById("myFrame").height;

Change the height and width of an iframe:

document.getElementById("myFrame").height = "400";
document.getElementById("myFrame").width = "400";