Is it possible to get a variable or localStorage value to insert in a Web SQL code?

I’ve created just a simple code to simulate a virtual store with HTML, Web SQL & Javascript language and my question is: Is it possible to get a variable or localStorage value to insert in a Web SQL code?

I just need to change the code number “100013” below by a variable or localStorage item.

var bdd = openDatabase("bdLojaVirtual", "2.0", "LojaVirtual", 2000000);
var mostrar;

var button = document.getElementById("pesquisar");
button.onclick = function consultarProduto() {
    var produto = document.getElementById("codigo").value;
    produto = produto;
    localStorage.setItem("Item selecionado", produto);
}

bdd.transaction(function (selecionar) {
    var produto = localStorage.getItem("Item selecionado");
    selecionar.executeSql ('SELECT nome FROM produto WHERE codigo = 100013', [], 
    function (selecionar, results) {
    var len = results.rows.length, i;
       for (i = 0; i < len; i++) {
           mostrar = "<p><b>" + results.rows.item(i).nome + "</b></p>";
           document.querySelector('#aqui').innerHTML += mostrar;
       }
     }, null);
 });

The whole project is at https://github.com/jmlJunior/portifolioPessoal