How do I remove a CSS class from a jqGrid cell?

Question

It is possible to add a CSS class to a jqGrid cell using the setCell method as below.

grid.setCell(rowId, \"ColumnName\", \"\", \"my-style-class\");
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Answer 1

One can easily add new class to a cell by removing the old class as:

$("#gridname").removeClass('oldclass')
              .setCell(rowId,'column_name','','newclass');

Where rowId is id of the row containing corresponding cell and can be obtained as:

var ids = $("#gridname").jqGrid('getDataIDs');