You can use the JavaScript contentWindow property to make an iFrame automatically adjust its height according to the contents inside it, so that no vertical scrollbar will appear.
Let's try out the following example to understand how it really works:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>JavaScript Auto Adjust iFrame Height Based on Content</title>
<style>
iframe{
width: 100%;
border: 2px solid #ccc;
}
</style>
</head>
<body>
<iframe src="demo.php" id="myIframe"></iframe>
<script>
// Selecting the iframe element
var iframe = document.getElementById("myIframe");
// Adjusting the iframe height onload event
iframe.onload = function(){
iframe.style.height = iframe.contentWindow.document.body.scrollHeight + 'px';
}
</script>
</body>
</html>
Use the
contentWindowPropertyYou can use the JavaScript
contentWindowproperty to make an iFrame automatically adjust its height according to the contents inside it, so that no vertical scrollbar will appear.Let's try out the following example to understand how it really works:
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