Adjust the iFrame height to fit with content in JavaScript
You can use JavaScript’s contentWindow property to force “iFrame” to automatically adjust its height based on the content it contains, so that no vertical scroll bar appears. Here is an example:
How to Adjust the iFrame height to fit with content in JavaScript
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Adjust the iFrame height to fit with content</title>
<style>
iframe{
width: 100%;
border: 1px solid #000;
}
</style>
</head>
<body>
<iframe src="contact.php" frameborder="0" scrolling="no" onload="adjustIframe(this)" />
<script>
function adjustIframe(obj) {
obj.style.height = obj.contentWindow.document.body.scrollHeight + 'px';
}
</script>
</body>
</html>
Note: This will not work if the iframe contains content from another domain.
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