JSFiddle - React, Tailwind, and code Playground

HTML

<div class="Begin" id="Begin" onclick="pagenumber()">
    Page Num - Click Me
</div>
    
<script>

var page = 0;
    
function pagenumber() {
    var totClicks = ++page;
    document.getElementById("Begin").innerHTML = "YOU CLICKED ME! " + totClicks;
}
</script>