Function: Add element into the indexDB
dbPromise.then(function(db) {
var tx = db.transaction('store', 'readwrite');
var store = tx.objectStore('store');
var item = {
name: 'sandwich',
price: 4.99,
description: 'A very tasty sandwich',
created: new Date().getTime()
};
store.add(item);
return tx.complete;
}).then(function() {
console.log('added item to the store os!');
});