I need to solve this part, my intention is to select the state in the combobox the query below recognize the selected acronym and query in MySQL.
function BuscaDAO(connection){
this._connection = connection;
}
BuscaDAO.prototype.getBusca = function(state_uf, callback){
console.log(state_uf.state_uf);
this._connection.query('select state_uf from cities where state_uf = ' +
state_uf.state_uf1, callback);
}