<tr> and <td> attributes are dropped.

[ogrotten]

while building the and , any attributes that were in those elements are dropped.

[CaptainCannabis]

The standard rowWriter doesnt support that - you can overwrite it by using:

writers : {
           _rowWriter : function(rowIndex, record, columns, cellWriter){
            var h = '<li data-key="'+record.key+'">'+record.text+'</li>';
            return h;
    }
}