HTML | <iframe> srcdoc Attribute

The HTML <iframe> srcdoc attribute is used to embed HTML content directly inside an iframe instead of loading it from an external URL.

• Specifies inline HTML content for the iframe.
• Can be used with sandbox for added security.
• Overrides the src attribute when both are present.

Syntax: 

<iframe srcdoc="HTML_code">

Attribute Values 

• HTML_code: It is used to specify the HTML content of the page which will display in an iframe element.