Jasa Topup & Transfer Rekening

document.addEventListener(‘DOMContentLoaded’, function() { // Cari input nominal berdasarkan attribute name-nya var nominalInput = document.getElementsByName(‘numeric_field’)[0]; var totalInput = document.getElementById(‘total_bayar_custom’); if(nominalInput && totalInput) { nominalInput.addEventListener(‘input’, function() { var nominalValue = parseFloat(nominalInput.value) || 0; if (nominalValue > 0) { var total = nominalValue + 3000; // Format rupiah sederhana totalInput.value = ‘Rp ‘ + total.toLocaleString(‘id-ID’); } else { totalInput.value = ‘Rp 0’; } }); } });