Scroll Properties

<!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;
  document.getElementById ("demo").innerHTML = "Height: " + y ;
}
</script>

</body>
</html>