position: absolute This will give the iframe a position relative to the wrapper and let it be positioned over the padding of the wrapper.
IFRAME HTML CODE CODE
You should now have the following code to copy into your html. First, go on YouTube, click on ‘share’ under the video and then ‘embed’. Responsive Iframesįor the purpose of demonstration, this article will use a YouTube embed for our iframe. I can’t wait to share this trick with you in the following article. Play with the size of the screen to see the responsive iframe at work. When testing my website on a smartphone, I would spend hours trying to figure out why my videos did not do what I expected… Until I finally discovered a great CSS trick that I can apply to all my iframes. I have struggled for a long time to get my YouTube videos to keep their ratio on different screen sizes. These functions are most commonly incorporated in a web page using the html iframe element and is one of the trickiest thing to make responsive. Most websites use YouTube videos, Google maps or other external website elements embedded in them. It is therefore even more important now for websites to be responsive. The iframe is resized as its content changes.Nowadays, more and more people use their phones to navigate the web. Once implemented, doing form submissions in an iframe lets the entire submission-to-confirmation process take place without reloading the web page. To test your installation, type the URL of the page with the iframe tag into your browser. Upload the page with the iframe tag to your server and make a note of its URL. The function AdjustIframeHeight() adjusts the iframe height when called from the JavaScript in the thank-you page. The function AdjustIframeHeightOnLoad() adjusts the iframe height when the iframe is first loaded. If the id value "form-iframe" of the iframe is changed, all three places in the JavaScript must be changed accordingly. The id value of the iframe tag in the previous list item is specified in the JavaScript in three places. There are 3 files.įile 1: The web page containing the iframe tag needs to contain this code:įunction AdjustIframeHeightOnLoad()
IFRAME HTML CODE HOW TO
Here's an example iframe that resizes for the thank-you page after the form button is clicked:īefore describing how to implement the iframe auto-resize for your site, here's the code for the above example. It's subject to the built-in same-origin security restriction. Otherwise, the web page with the iframe tag won't be able to determine the size of the content within the iframe. The same principle described in this article can be used for other implementations.)Ī caveat: The URL of the page being published within the iframe must be on the same domain as the web page with the iframe tag. (There are other reasons that content changes within an iframe.
Therefore, the iframe size needs to be adjusted. The thank-you page generally is a different size, however, and either puts scrollbars into the iframe or leaves a large blank area within the iframe. After the form is submitted, a thank-you page is displayed within the iframe. (I'll show you how to do that, too.) But if the content in the iframe changes, the iframe size may need to be adjusted further.Ī common use of an iframe is to present a form, so a page reload is unnecessary when the form submits. Of course, it's fairly simple to adjust the height of an iframe when the content first loads. (Resizing the width can be accomplished by substituting each word "height" with "width", maintaining the letter case.) This article describes how to resize the height of an iframe automatically - whenever the content of the web page being published within the iframe changes.
Auto-resize Iframe when Content Size ChangesĪn iframe is a section of a web page where the content of another web page can be published.
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