How to auto-size an iFrame [javascript,html]

How to auto-size an iFrame

javascript html

To auto-size an iframe to fit its content, you can use the offsetHeight and offsetWidth properties of the iframe element to get the height and width of the content, and then set the height and width attributes of the iframe element accordingly.

Here is an example of how you can do this using JavaScript:

const iframe = document.getElementById('my-iframe');

// get the height and width of the content
const height = iframe.contentWindow.document.body.offsetHeight;
const width = iframe.contentWindow.document.body.offsetWidth;

// set the height and width of the iframe
iframe.setAttribute('height', height);
iframe.setAttribute('width', width);

You can also use the scrollHeight and scrollWidth properties to get the full height and width of the content, including any scrollbars.

const iframe = document.getElementById('my-iframe');

// get the height and width of the content, including scrollbars
const height = iframe.contentWindow.document.body.scrollHeight;
const width = iframe.contentWindow.document.body.scrollWidth;

// set the height and width of the iframe
iframe.setAttribute('height', height);
iframe.setAttribute('width', width);

You can use this code in a function and call it whenever the content of the iframe changes, or you can use the load event of the iframe element to call the function when the content finishes loading.

iframe.addEventListener('load', function() {
  // get the height and width of the content
  const height = iframe.contentWindow.document.body.offsetHeight;
  const width = iframe.contentWindow.document.body.offsetWidth;

  // set the height and width of the iframe
  iframe.setAttribute('height', height);
  iframe.setAttribute('width', width);
});

Keep in mind that this will only work if the content of the iframe is on the same domain as the parent page. If the content is on a different

How to auto-size an iFrame

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