JSFiddle - React, Tailwind, and code Playground

HTML

<h1>Edit and Execute the Code</h1>

<textarea cols="80" rows="10" id="code">
<script type="text/javascript">
jQuery(function($){
    $('#demo').click(function(){
        alert("This is right.");
        return false;
        });
    });
</script>
<a href="javascript:alert('This is wrong.');" id="demo">Click Me</a>
</textarea><br />

<input type="button" value="Execute" id="exec" />
&raquo; Times Executed: <span>0</span>
<hr />

<div id="result"></div>

JavaScript

var times = 0;
    $('#exec').click(function(){
        $('#result').empty().html( $('#code').val() );
        $( this ).next("span").html( times += 1 );
        });