Table of Contents
How do I resize iframe dynamically based on content?
We will use JavaScript contentWindow property that will iFrame automatically adjust its height according to the contents, no scrollbars will appear.
- We select iframe within script tag: var iframe = document.getElementById(“myIframe”);
- We Adjust iframe height onload event by: iframe.onload = function(){}
How do I scale an iframe to fit?
What you can do is set specific width and height to your iframe (for example these could be equal to your window dimensions) and then applying a scale transformation to it. The scale value will be the ratio between your window width and the dimension you wanted to set to your iframe.
How is iframe height determined?

JS
- function calcHeight()
- {
- //find the height of the internal page.
- var the_height = document. getElementById(‘iframe’). contentWindow.
- document. body. scrollHeight;
- //change the height of the iframe.
- document. getElementById(‘iframe’). height=
How do you preserve aspect ratio for an embedded iframe in a responsive website?
In the HTML, put the player in a container. In the CSS for the , add a percentage value for padding-bottom and set the position to relative, this will maintain the aspect ratio of the container. The value of the padding determines the aspect ratio. ie 56.25% = 16:9.
How do I shrink the content of an iframe?
That’s easy enough, just put the iframe in a div and force the height/width that you want. That way as you shrink or expand you wont change the pages formatting. Great solution!
How do I stretch an iframe?

The trick is to put the IFRAME in a DIV. Then position the DIV absolutely so that it covers the whole page, and set width:100%; height:100%; on the IFRAME.
How do I keep a iframe aspect ratio?
How do I change the size of an embed code?
Select HTML from the text editor. This will open a new window (where the embed code was pasted). To change the size to a regular sized document, change the width to 100%, and the height to “1000px”. Select Update when finished, and then Submit.
How do I resize a frame in HTML?
The noResize property sets or returns the value of the noresize attribute in a frame element. The noresize attribute specifies that a frame cannot be resized by the user.
How do I interact with iframe content?
Interacting with iFrame Elements
- 1 Count no. of iFrames on a web page.
- 2 Interact with elements from a single iFrame.
- 3 Interact with elements of Nested iFrames.
- 4 Wait for an iFrame to load.
How do I resize an image in a frameset in HTML?
One of the simplest ways to resize an image in the HTML is using the height and width attributes on the img tag. These values specify the height and width of the image element. The values are set in px i.e. CSS pixels. For example, the original image is 640×960.