searching a value in 2 columns jquery datatables -

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i have been trying search value between 2 columns using code

  timelapse_table.columns([3,4]).every ->     =     $("#camera-name").on "keyup change", ->       that.search( @value ).draw()

but search column 3 not 4. want make if value abc either in column 3 or column 4 should show results. $("#camera-name") input search. , timelapse_table = $("#timelapse_datatables").datatable appreciated thanks


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