iframe in HTML:
Iframe tag is written as (iframe>.
An iframe is used to display different document content inside the different document
content in a rectangular region in the browser.
When different document content is
embedded into a current HTML content, then it is known as an inline iframe.
The src attribute contains the path to the document that occupies the inline iframe.
Iframe HTML Code
(iframe src = "demo_iframe.htm" width = "300" height = "300">
Sorry your browser does not support inline frames.
(/iframe>