JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<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="myDIV1">
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>