JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>www.bilisimogretmeni.com</title>
<script type="text/javascript" language="javascript">
function yazdir()
{
var m,t,i=1;
m = document.mesaj.metin.value;
t = parseInt(document.mesaj.tekrar.value);
    for(i=1;i<=t;i++) {
     if (i % 2 == 0) {
            document.write("<br><b>"+m+"</b>");       
        }
        else {
            document.write("<br>"+m);    
        }  
    }    
}
</script>
</head>
<body>
<form name="mesaj" id="mesaj">
<table>
<tr>
<td>Yazdırılacak Mesaj</td>
<td><input type="text" name="metin" /></td>
</tr>
<tr>
<td>Tekrar Sayısı</td>
<td><input type="text" name="tekrar" /></td>
</tr>
<tr>
<td align="center" colspan="2"><input type="button" onclick="yazdir()" value="Hesapla" /></td>
</tr>
</table>
</form>
</body>
</html>