What is iframe:
An iframe or inline frame is used to display external objects including other web pages within a web page. The basic syntax for adding an iframe can be given with

Ex:

The URL points to the location of external object or web page.

How to set Width and Height of an iframe:
The height and width attributes are used to specify the height and width of the iframe.
Ex:

Removing Default Frameborder:
The frameborder attribute specifies whether or not to display a border around the iframe. This attribute carries a value of “0” or “1”. The default value of “1” results in a border while a value of “0” removes the border from the iframe.
Ex:

Iframe as Link Target:
An iframe can be used as a target for the hyperlinks.
An iframe can be named using the name attribute. This implies that when a link with a target attribute with that name as value is followed, the linked resource is opened in the iframe.
Ex:

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