User839733648 posted
Hi zhyanadil.it@gmail.com,
According to your description, I've made a sample on my side.
The key point is to find the row which has column more than two and move it to next line.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script>
$(function () {
$("#btn").click(function () {
var rowlen = $("#tbl1 tr").length;
for (i = 0; i < rowlen; i++) {
var collen = $("#tbl1 tr").eq(i).children().length;
if (collen > 2) {
$("#tbl1 tr:eq(" + i + ")").after("<tr></tr>").after($("#tbl1 tr:eq(" + i + ") td:gt(1)").clone());
$("#tbl1 tr:eq(" + i + ") td:gt(1)").remove();
}
}
})
})
</script>
<style>
#btn, #tbl2container {
margin-top: 10px;
}
td {
padding: 5px;
border: 1px dotted gray;
}
</style>
</head>
<body>
<div id="tbl1container">
<table id="tbl1">
<tr>
<td>colour</td>
</tr>
<tr>
<td>red</td>
<td>green</td>
<td>blue</td>
<td>black</td>
</tr>
<tr>
<td>size</td>
</tr>
<tr>
<td>samll</td>
<td>large</td>
<td>x-large</td>
</tr>
<tr>
<td>weight</td>
</tr>
<tr>
<td>A1</td>
<td>A2</td>
</tr>
</table>
</div>
<button id="btn">Convert Table</button>
</body>
</html>
result:

Best Regards,
Jenifer