<html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style>
- myDIV {
width: 100%; padding: 50px 0; text-align: center; background-color: lightblue; margin-top: 20px;
} </style> </head> <body>
<p>Click the "Try it" button to toggle between hiding and showing the DIV element:</p>
<button onclick="myFunction()">Try it</button>
<div id="myDIV"> This is my DIV element. </div>
<p><b>Note:</b> The element will not take up any space when the display property set to "none".</p>
<script> function myFunction() {
var x = document.getElementById("myDIV");
if (x.style.display === "none") {
x.style.display = "block";
} else {
x.style.display = "none";
}
} </script>
</body> </html>