IndexDB sample

indexdbsample.js

var indexDBSupport = window.indexedDB ? true : false, bookingDB;

if (indexDBSupport) {
    // open the db
    var open = indexedDB.open('weirdstuff',1);

    // fired when the user hit the site first time
    open.onupgradeneeded = function(e) {
        console.log('Upgrading');
        var upgradeDb = e.target.result;

        // if object store not yet exists, lets create one
        if (!upgradeDb.objectStoreNames.contains('Bookings')) {
            upgradeDb.createObjectStore('Bookings', { autoIncrement: true });
        }
    };

    open.onsuccess = function(e) {
        console.log('DB opened');
        db = e.target.result;

        // lets add something
        // the name of the object store and the txn operation
        var txn = db.transaction(['Bookings'], 'readwrite'),
            store = txn.objectStore('Bookings'),
            booking = {
                name: 'Brian',
                email: 'brain@sully.com',
                created: new Date()
            },
            request = store.add(booking); // add it
        
        // if any error during adding the data
        request.onerror = function(e) {
            console.error('Error in adding the data: ', e.target.error.name);
        };
        
        request.onsuccess = function(e) {
            console.log('Data added');
        };
    };

    open.onerror = function(e) {
        console.log('Error in opening DB');
        console.dir(e); 
    };

    var getTxn = db.transaction(['Bookings'], 'readonly'),
        getObject= getTxn.objectStore('Bookings'),
        getData = getObject.get(1); // the value eg key

    getData.onsuccess = function(e) {
        console.log(e.target.result);
    }
}