JSFiddle - React, Tailwind, and code Playground
by Plippie Plop
HTML
<table>
<tr id="1">
<th>kop 1</th>
<th>kop 2</th>
<th>kop 3</th>
<th>kop 4</th>
</tr>
<tr id="2">
<td>veld 1A</td>
<td>veld 2A</td>
<td>veld 3A</td>
<td>veld 4A</td>
</tr>
<tr id="3">
<td>veld 1B</td>
<td>veld 2B</td>
<td>veld 3B</td>
<td>veld 4B</td>
</tr>
<tr id="4">
<td>veld 1C</td>
<td>veld 2C</td>
<td>veld 3C</td>
<td>veld 4C</td>
</tr>
</table>
CSS
.cell{background-color:#AFAFAF;}
table{border:1px solid red;}
th, td{border:1px solid blue;}
JavaScript
// For sandeep :)
$("table tr:gt(0) ").each(function() {
var x=$(this).find("td:eq(3)").html();
var x2=$(this).find("td:eq(2)").html();
$(this).find("td:eq(2)").html(x+"|"+x2);
$(this).find("td:eq(3)").html("");
});