SO-20780459

by Tushar Gupta

HTML

<table id="myTableID">
    <tr id="tr01">
        <td>Col 1 Value</td>
    </tr>
    <tr id="tr02">
        <td>Col 2 Value</td>
    </tr>
    <tr id="tr03">
        <td>Col 3 Value</td>
    </tr>
    <tr id="tr04">
        <td>Col 4 Value</td>
    </tr>
</table>

JavaScript

var all_td = $('#myTableID tr').map(function () {
    return $(this).html();
}).get();
$('#myTableID tr').empty().each(function(i){
    var ret  = all_td.slice(i*2,++i*2);
    $(this).html(ret);
});