Drill 23: Change a value — Storage and state

const KEY = "edubyte:settings";

function loadSettings() {
  try {
    const raw = localStorage.getItem(KEY);
    return raw ? { theme: "light", ...JSON.parse(raw) } : { theme: "light" };
  } catch (error) {
    console.warn("Could not read settings", error);
    return { theme: "light" };
  }
}

function saveSettings(settings) {
  try {
    localStorage.setItem(KEY, JSON.stringify(settings));
  } catch (error) {
    console.warn("Could not save settings", error);
  }
}

const settings = loadSettings();
settings.theme = "dark";
saveSettings(settings);
console.log(loadSettings());