indexed db

// Open or create the IndexedDB database const request = indexedDB.open('todo', 1); // Handle database upgrade or creation request.onupgradeneeded = function (event) { const db = event.target.result; // Create an object store const objectStore = db.createObjectStore('tasks', { keyPath: 'id', autoIncrement: true }); // Create an index objectStore.createIndex('taskName', 'taskName', { unique: false }); }; // Handle successful database opening request.onsuccess = function (event) { const db = event.target.result; // Perform database operations here // For example, you can add, delete, or retrieve data // Close the database connection (optional) db.close(); }; // Handle database opening errors request.onerror = function (event) { console.error('IndexedDB error:', event.target.error); }; 

// Open or create the IndexedDB database const request = indexedDB.open('todo', 1); // Handle database upgrade or creation request.onupgradeneeded = function (event) { const db = event.target.result; // Create an object store const objectStore = db.createObjectStore('tasks', { keyPath: 'id', autoIncrement: true }); // Create an index objectStore.createIndex('taskName', 'taskName', { unique: false }); }; // Handle successful database opening request.onsuccess = function (event) { const db = event.target.result; // Start a transaction and get the object store const transaction = db.transaction(['tasks'], 'readwrite'); const objectStore = transaction.objectStore('tasks'); // Create a new task object const newTask = { taskName: 'Task 1', priority: 'High', completed: false }; // Add the new task to the object store const requestAdd = objectStore.add(newTask); // Handle successful task addition requestAdd.onsuccess = function (event) { console.log('Task added successfully'); }; // Handle task addition errors requestAdd.onerror = function (event) { console.error('Error adding task:', event.target.error); }; // Complete the transaction transaction.oncomplete = function () { // Close the database connection (optional) db.close(); }; }; // Handle database opening errors request.onerror = function (event) { console.error('IndexedDB error:', event.target.error); };