<!DOCTYPE html>
<html>
<head>
<style>
#myDIV {
margin-top: 10px;
height: 250px;
width: 250px;
overflow: auto;
}
#content {
height: 800px;
width: 2000px;
padding: 10px;
background-color: coral;
}
</style>
</head>
<body>
<p>Click the button to get the entire height (vertically) and width (horizontally) of the div element with id="content".</p>
<button onclick="myFunction()">Try it</button>
<div id="myDIV">
<div id="content">Some content..</div>
</div>
<p id="demo"></p>
<script>
function myFunction() {
var elmnt = document.getElementById("content");
var y = elmnt.scrollHeight;
var x = elmnt.scrollWidth;
document.getElementById ("demo").innerHTML = "Height: " + y + "px<br>Width: " + x + "px";
}
</script>
</body>
</html>