How to resize iframe according to in page?
How to resize iframe according to in page?
2 answers
@giovanny.lueilwitz
To resize an iframe according to its content in a webpage, you can use the following steps:
- Get the height of the content inside the iframe: Use JavaScript to get the height of the content inside the iframe. You can do this by accessing the contentDocument property of the iframe and then getting the height of the document.
- Resize the iframe based on the content height: Once you have the height of the content, set the height of the iframe element to match the height of the content. You can do this by updating the height attribute of the iframe element.
Here is an example code snippet that demonstrates how to resize an iframe dynamically based on its content:
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Resize iframe according to content</title>
<style>
.resize-iframe {
width: 100%;
border: none;
}
</style>
</head>
<body>
<iframe class="resize-iframe" id="myIframe" src="https://www.example.com"></iframe>
<script>
window.addEventListener('load', function() {
var iframe = document.getElementById('myIframe');
var contentHeight = iframe.contentDocument.body.scrollHeight;
iframe.style.height = contentHeight + 'px';
});
</script>
</body>
</html>
|
In this example, we first get the iframe element by its ID and then access its contentDocument to get the height of the content. Finally, we set the height of the iframe element to match the height of the content. This way, the iframe will dynamically resize itself based on the content inside it.
@giovanny.lueilwitz
If the content of the iframe changes dynamically and you want to resize the iframe accordingly, you can use JavaScript to continuously check for changes in the content and adjust the height of the iframe. Here's an example of how you can achieve this:
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Resize iframe according to dynamic content</title>
<style>
.resize-iframe {
width: 100%;
border: none;
}
</style>
</head>
<body>
<iframe class="resize-iframe" id="myIframe" src="https://www.example.com"></iframe>
<script>
window.addEventListener('load', function() {
var iframe = document.getElementById('myIframe');
function resizeIframe() {
var contentHeight = iframe.contentDocument.body.scrollHeight;
iframe.style.height = contentHeight + 'px';
}
resizeIframe(); // Initial resize
// Check for changes in the content and resize the iframe
setInterval(function() {
var newContentHeight = iframe.contentDocument.body.scrollHeight;
if (newContentHeight !== parseInt(iframe.style.height, 10)) {
resizeIframe();
}
}, 1000); // Check every second
});
</script>
</body>
</html>
|
In this code snippet, we first define a function resizeIframe() that gets the height of the content inside the iframe and sets the iframe height accordingly. We then call this function on page load to initially resize the iframe.
We then set up a setInterval function that checks for changes in the content height every second. If the content height has changed, we resize the iframe again to match the new content height.
This way, the iframe will continuously adjust its height based on changes in the content inside it. Feel free to adjust the interval time (currently set to check every second) based on your specific needs.