i try to create table through jquery now i successfully display table and data
```
if (re.length > 0) {
$("#services_schdulue").append
$('#services_schdulue thead').append(
"<tr><th>frequency</th><th>FDuration</th><th>FMil</th><th>Lperformed</th><th>Nddatetime</th><th>Ndmil</th><th>Rfrequ</th><th>Rduration</th><th>RMileage</th></tr>"
);
for (var i = 0; i < re.length; i++) {
if (re[i] !== null) {
$('#services_schdulue tbody').append(
'<tr><td>' + re[i][0] +
'</td><td>' + re[i][1] +
'</td><td>' + re[i][2] +
'</td><td>' + re[i][3] +
'</td><td>' + re[i][4] +
'</td><td>' + re[i][5] +
'</td><td>' + re[i][6] +
'</td><td>' + re[i][7] +
'</td><td>' + re[i][8] +
'</td></tr>');
}
}
}
var myTable = $('#services_schdulue').DataTable();
```
now i want to concatenation columns
want to concatenate these columns
1) frequency,FDuration,FMil and give one name in header "frequency"
2) Nddatetime,Ndmil and give one name in header "next service"
3) Rfrequ,Rduration,RMil and give one name in header "remaning"
how i do that ?
Suppose i have data like this
then want like this