Uji Level

function editSimpan() {
    var newkode = document.getElementById('kodeProduk').value
    var newnama = document.getElementById('namaProduk').value
    var newharga = document.getElementById('hargaProduk').value
    var newsatuan = document.getElementById('satuan').value
    var newkategori = document.getElementById('kategori').value
    var newstok = document.getElementById('stokAwal').value
    var newgambar = document.getElementById('urlGambar').value

    if (newnama == '') {
        alert('silahkan masukkan data terlebih dahulu!')
    } else {
        kodeproduk[index] = newkode
        nama[index] = newnama
        harga[index] = newharga
        satuan[index] = newsatuan
        gambar[index] = newgambar
        kategori[index] = newkategori
        stok[index] = newstok
        showData()
        index.pop()
        document.getElementById('kodeProduk').value = ""
        document.getElementById('namaProduk').value = ""
        document.getElementById('hargaProduk').value = ""
        document.getElementById('satuan').value = ""
        document.getElementById('kategori').value = ""
        document.getElementById('stokAwal').value = ""
        document.getElementById('urlGambar').value = ""
        document.getElementById("button9").style.display = "inline"
        document.getElementById("button6").style.display = "none"
        document.getElementById("button").style.display = "none"
    }
}