script.js

document.getElementById("customerForm").addEventListener("submit", function(e) {
  e.preventDefault();
  const formData = new FormData(e.target);
  const data = {};
  for (let [key, value] of formData.entries()) {
    if (data[key]) {
      if (!Array.isArray(data[key])) data[key] = [data[key]];
      data[key].push(value);
    } else {
      data[key] = value;
    }
  }
  data.timestamp = new Date().toISOString();
  let customers = JSON.parse(localStorage.getItem("customers") || "[]");
  customers.push(data);
  localStorage.setItem("customers", JSON.stringify(customers));
  alert("Customer created successfully!");
  e.target.reset();
});

function cancelForm() {
  if (confirm("Are you sure you want to cancel?")) {
    document.getElementById("customerForm").reset();
  }
}