Inline sub window is an iframe and you can include it using the <iframe> tag.
The HTML <iframe> tag supports the following additional attributes −
| Attribute | Value | Description |
|---|---|---|
| align | left right top middle bottom | Specifies how to align the iframe according to the surrounding text. |
| frameborder | 1 0 | Specifies whether or not to display border around the frame. |
| height | pixels | Specifies the height of the inline frame. |
| longdesc | URL | A URL to a long description of the frame contents |
| marginheight | pixels | Allows you to specify the width of the space between the left and right of the frame's borders and the frame's content. The value is given in pixels. For example marginwidth = "10". |
| marginwidth | pixels | Specifies the margin, in pixels, between the frame's contents and it's left and right margins. |
| name | text | Name of the frame |
sandbox  | "" allow-forms allow-same-origin allow-scripts allow-top-navigation | Enables a set of extra restrictions for the content in the iframe. |
| scrolling | yes no auto | Determines scrollbar action |
seamless  | seamless | Specifies that the iframe should look like it is a part of the containing document |
| src | URL | Location of the frame contents file |
srcdoc  | HTML_code | Specifies the HTML content of the page to show in the iframe |
| width | pixels | Specifies the width of the inline frame. |
Example
You can try to run the following code to create an inline frame −
<!DOCTYPE html> <html> <head> <title>HTML iframe Tag</title> </head> <body> <iframe src = "https://www.tutorialspoint.com/index.htm" width = "100%"></iframe> </body> </html>