Tentando colorir tabela

server/services/eventos.js

@@ -21,20 +21,20 @@ _out.println('<div style="display: flex; justify-content: center; margin-top: 80
             
             let copiaDbRecords = dbRecords.slice()
 
-            for (const dbRecord of dbRecords) {
-
+            dbRecords.map((dbRecord,i) => {
+ 
                  const initialLength = copiaDbRecords.length
                  copiaDbRecords = copiaDbRecords.filter(r => r.getString("categoria") != dbRecord.getString("categoria"))
                  const lengthCategoria = initialLength - copiaDbRecords.length                                     
 
-                _out.println('<tr style="height: 35px;">')
+                _out.println(`<tr style="height:35px; color:${i % 2 === 0 ? '#eee' : '#fff'}">`)
                     _out.println(`<td>${dbRecord.getString("titulo")}</td>`)
                     _out.println(`<td>${dbRecord.getString("data")}</td>`)
                     _out.println(`<td>${dbRecord.getInt("capacidade")}</td>`)
                     _out.println(`<td>${dbRecord.getDouble("preco")}</td>`)
                     {lengthCategoria > 0 && _out.println(`<td rowspan="${lengthCategoria}">${dbRecord.getString("categoria")}</td>`)}
                 _out.println('</tr>')
-            }            
+            )}            
 
 
         _out.println('</table>')