Update persondao.js

dao/persondao.js

@@ -21,4 +21,19 @@ module.exports = class PersonDao extends Dao {
       callback
     );
   }
+  updateOne(json, callback) {
+    var val = [json.id, json.navn, json.adresse, json.alder];
+    super.query(
+        "update person set id = ?, navn = ?, adresse = ?, alder = ?",
+        val,
+        callback
+    );
+  }
+  deleteOne(id, callback){
+      super.query(
+          "delete from person where id = ?"),
+          [id],
+          callback
+        );
+  }
 };