Tag Description

The iframe tag is used to define an inline frame that contains another document.

This tag has the form:

<iframe
  align="{ bottom | left | middle | right | top }"
  frameborder="{ 0 | 1 }"
  height="height"
  longdesc="URL"
  marginheight="pixels"
  marginwidth="pixels"
  name="name"
  noresize="noresize"
  scrolling="{ auto | no | yes}"
  src="URL"
  width="width">
</iframe>

HTML5 and HTML4.01 Differences

HTML5 has defined new attributes, and some HTML4.01 attributes are not supported in HTML5.

HTML5

= New for HTML5

Attributes

Attribute	Value	Description
align	left right top middle bottom	Specifies the alignment of an iframe according to surrounding elements HTML4: HTML5:
frameborder	0 1	Specifies whether or not to display a border around an iframe HTML4: HTML5:
height	pixels %	Specifies the height of an iframe
longdesc	URL	Specifies a page that contains a long description of the content of an iframe HTML4: HTML5:
marginheight	pixels	Specifies the top and bottom margins of an iframe HTML4: HTML5:
marginwidth	pixels	Specifies the left and right margins of an iframe HTML4: HTML5:
name	name	Specifies the name of the iframe
sandboxHTML5	allow-forms allow-same-origin allow-scripts allow-top-navigation	Specifies restrictions to the frame content.
scrolling	yes no auto	Specifies whether or not to display scrollbars in an iframe HTML4: HTML5:
seemlessHTML5	seemless	If present, the iframe should appear as if it is part of the document the iframe is in
src	URL	Specifies the URL of the document to show in an iframe
srcdocHTML5	HTML	The HTML of the document showing in the iframe
width	pixels %	Specifies the width of an iframe

Global Attributes

This tag also supports the HTML Global Attributes.

Event Attributes

This tag also supports the HTML Event Attributes.

Browser Support

Firefox	IE	Chrome	Opera	Safari

Doctype Declaration Support

The following table lists the doctype declarations this element may appear in:

HTML4.01 / XHTML1.0			XHTML 1.1	HTML 5
Traditional	Strict	Frameset	XHTML 1.1	HTML 5

Miscellaneous Information

Defined In:	HTML4
Empty Tag:	No

Layout Options