[GAS]セルの値をコピー

function copy_values() {
  var ss = SpreadsheetApp.getActiveSpreadsheet();
  var sheet = ss.getActiveSheet();
  var get_range;
  var set_range;
  for(var i = 4 ; i < 30 ; i+=2){
    get_range = sheet.getRange("J"+i+":K"+i);
    set_range = sheet.getRange("J"+(i+1)+":K"+(i+1));
    set_range.setValues(get_range.getValues());
  }
}