valtronforever / backbone-localstorage-cart

Shoping cart stored in local storage with real-time updates on all tabs

backbone-localstorage-cart

Shoping cart collection stored in local storage with real-time updates on all tabs

Has all Backbone.Collection methods and next:

clear() // clear collection, for current tab emit 'clear' event;
productCount() // get number of products;
productTotal() // total of all products;

'storage' event will be emited every time when local storage has changed by the other tab

Example:

var Cart = new Backbone.CartCollection([], { 
    exdays: 7
});
Cart.on('storage', function() {
    console.log('Data updated!');
});

See source for details;