// Save primitive
localStorage.setItem("username", "alice");

// Save object (must be JSON)
const settings = { theme: "dark", fontSize: 16 };
localStorage.setItem("settings", JSON.stringify(settings));

// Read values
const name = localStorage.getItem("username");
const saved = JSON.parse(localStorage.getItem("settings"));

console.log("username:", name);
console.log("settings:", saved);
console.log("items count:", localStorage.length);

// Iterate all keys
for (let i = 0; i < localStorage.length; i++) {
  const key = localStorage.key(i);
  console.log(key, "=>", localStorage.getItem(key));
}

// Remove specific / clear all
// localStorage.removeItem("username");
// localStorage.clear();