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HTML <iframe> srcdoc Attribute

HTML iframe Tag Reference HTML <iframe> tag

Example

An <iframe> with a srcdoc attribute:

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

Try it yourself »

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The srcdoc attribute is supported in all major browsers, except Internet Explorer.

Note: The srcdoc attribute is not supported in Opera 12 and earlier versions, or in Safari 5 and earlier versions.


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).


Differences Between HTML 4.01 and HTML5

The srcdoc attribute is new in HTML5.


Syntax

<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 Reference HTML <iframe> tag

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