document.getElementById('whitelistSave').addEventListener('click', () => { const whitelist = document.getElementById('whitelist').value.split('\n').map(line => line.trim()).filter(line => line); browser.storage.local.set({ whitelist: whitelist }); console.log('Whitelist saved!'); }); browser.storage.local.get("whitelist").then((result) => { const whitelist = result.whitelist || []; document.getElementById('whitelist').value = whitelist.join('\n'); }).catch((error) => { console.error("Error retrieving the whitelist:", error); });