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HTML <iframe> srcdoc Attribute

❮ HTML <iframe> tag


An <iframe> with a srcdoc attribute:

<iframe srcdoc="<p>Hello world!</p>" src="demo_iframe_srcdoc.htm"></iframe>
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Definition and Usage

The srcdoc attribute specifies the HTML content of the page to show in the inline frame.

Tip: This attribute is expected to be used together with the sandbox and seamless attributes.

If a browser supports the srcdoc attribute, it will override the content specified in the src attribute (if present).

If a browser does NOT support the srcdoc attribute, it will show the file specified in the src attribute instead (if present).

Browser Support

The numbers in the table specify the first browser version that fully supports the attribute.

srcdoc 20.0 79.0 25.0 6.0 15.0


<iframe srcdoc="HTML_code">

Attribute Values

Value Description
HTML_code The HTML content to show in the iframe. Must be valid HTML syntax

❮ HTML <iframe> tag