Iframes – HTML

title: Iframes


The HTML <iframe> element represents an inline frame, which allows you to include an independent HTML document into the current HTML document. The <iframe> is typically used for embedding third-party media, your own media, widgets, code snippets, or embedding third-party applets such as payment forms.


Listed below are some of the <iframe>‘s attributes:

allowfullscreenSet to true to allow the frame to be placed into full screen mode
frameborderTells the browser to draw a border around the frame (set to 1 by default)
heightThe height of the frame in CSS pixels
nameA name for the frame
srcThe URL of the web page to embed
widthThe width of the frame in CSS pixels


Embedding a YouTube video with an <iframe>:

<iframe width="560" height="315" src="https://www.youtube.com/embed/v8kFT4I31es" frameborder="0" allowfullscreen></iframe>

Embedding Google Maps with an <iframe>:

<iframe src="https://www.google.com/maps/embed?pb=!1m18!1m12!1m3!1d774386.2436462595!2d-74.53874786161381!3d40.69718109704434!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x89c24fa5d33f083b%3A0xc80b8f06e177fe62!2sNew+York%2C+NY%2C+USA!5e0!3m2!1sen!2sau!4v1508405930424" width="600" height="450" frameborder="0" style="border:0" allowfullscreen></iframe>

Alternative Text

The content between the opening and closing <iframe> tags is used as alternative text, to be displayed if the viewer’s browser does not support iframes.

<iframe width="560" height="315" src="https://www.youtube.com/embed/v8kFT4I31es" frameborder="0"> <p>Your browser does not support iframes.</p> </iframe>

Targeting an Iframe in a Link

Any <a> link can target the content of an <iframe> element. Rather than redirecting the browser window to the linked webpage, it will redirect the <iframe>. For this to work, the target attribute of the <a> element must match the name attribute of the <iframe>.

<iframe width="560" height="315" src="about:blank" frameborder="0" name="iframe-redir"></iframe> <p><a href="https://www.youtube.com/embed/v8kFT4I31es" target="iframe-redir">Redirect the Iframe</a></p>

This example will show a blank <iframe> initially, but when you click the link above it will redirect the <iframe> to show a YouTube video.

JavaScript and Iframes

Documents embedded in an <iframe> can run JavaScript within their own context (without affecting the parent webpage) as normal.

Any script interaction between the parent webpage and the content of the embedded <iframe> is subject to the same-origin policy. This means that if you load the content of the <iframe> from a different domain, the browser will block any attempt to access that content with JavaScript.

More Information:

MDN Iframe
W3Schools Iframe

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