iframe[srcdoc]

This attribute allows for in-line specification of iframe content.

Verdict

Safe to use

Category

HTML features

Browser support

Can I Use

Works in

all modern browsers

Should you use iframe[srcdoc] in 2026?

For non-supporting browsers, you can use this srcdoc polyfill which utilizes script-targeted URLs to provide this functionality in non-supporting browsers.

Also see [more about implementing iframe[srcdoc]](http://weblog.bocoup.com/third-party-javascript-development-future/#iframe-srcdoc) responsibly on Bocoup's blog.

Polyfills and fallbacks

srcdoc polyfill

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