Try it Editor: Change min-height with JavaScript

Edit This Code :

<!DOCTYPE html>
<html>
<head>
<style> 
#myDIV {
    width: 500px;
    background-color: lightblue;
    overflow: auto;
}
</style>
</head>
<body>
<h1>Change min-height with JavaScript</h1>

<p>Click the "Try it" button to make sure that the DIV element's height never becomes less than 400 pixels:</p>

<button onclick="myFunction()">Try it</button>

<div id="myDIV">
  <p>This DIV element does not have a pre-defined height.</p>
  <p>The height of this DIV element depends on its content.</p>
  <p>But if you click the "Try it" button, yo will make sure that this DIV element does not become less than 400 pixels in height.</p>
</div>

<script>
function myFunction() {
    document.getElementById("myDIV").style.minHeight = "400px";
}
</script>

</body>
</html>
Result :