HTML5 Iframe Tag | HTML5 Code

The iframe element creates an inline frame that contains another document.

Supported In HTML4: Yes

Supported In HTML5: Yes

HTML4 vs HTML5 Differences: HTML 5 has some new attributes, and some HTML 4.01 attributes are not supported in HTML 5.

Title	Values	Description	HTML4 Support	HTML5 Support
frameborder	1 0		Yes	No
height	pixels %	Defines the height of the iframe.	No	No
longdesc	URL		No	No
marginheight	pixels		No	No
marginwidth	pixels		No	No
name	framename	Specifies a unique name of the iframe.	No	No
sandbox	allow-forms allow-same-origin allow-scripts	Defines restrictions to the frame content.	No	No
scrolling	yes no auto		No	No
seamless	seamless	If present, the iframe should appear as if it is part of the document the iframe is in.	No	No
src	URL	The URL of the document to show in the iframe	No	No
srcdoc	HTML	The HTML of the document showing in the iframe	No	No
width	pixels %	Defines the width of the iframe.	No	No

<iframe> Tag