JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    <head>
<script type="text/JavaScript">
function load()
{
  document.getElementById("display").innerHTML="Hello!";
}

function tclick()
{
  alert("Clicked");
}
</script>
</head>

<body style="background-color:red;" onload="load()">
<div id="display" style="position:absolute; right:0px; left:0px; bottom:0px; width:100%; height:87%; background-color:white;"></div>
<div style="position:absolute; left:0px; width:10%;">
<b>Input:</b>
<input id="text" maxlength="50" />
<input type="button" onclick="tclick()" value="OK" />
</div>

</body>
</html>