How to Automatically Adjust iFrame Height to Content Size Without a Scrollbar?

How to Automatically Adjust iFrame Height to Content Size without Scrollbar

When incorporating an iframe into your website, you may encounter the need for its height to dynamically adapt to the content it displays. By eliminating the scrollbar, you can create a seamless and aesthetically pleasing user experience. This article addresses this issue by providing a solution that adjusts the iframe's height automatically, based on the size of its content.

To achieve this adjustment, follow these steps:

1. Head Section Modification:

   • Add the following JavaScript code within the section of your document.

   • <script>
       function resizeIframe(obj) {
         obj.style.height = obj.contentWindow.document.documentElement.scrollHeight + 'px';
       }

2. iFrame Modification:

   • Modify your iframe to include the following attributes:

The JavaScript function, resizeIframe, plays a crucial role in this solution. It calculates the document's height within the iframe and assigns that value as the new iframe height, effectively adjusting it to match the content's size. By eliminating the scrollbar, the iframe adapts seamlessly to its content without compromising the user's visual experience.

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