// 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);
};
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