evoShop.each( [array ,] callback )

arguments:

array (optional): array or object to iterate through. If it is not provided, evoShop will iterate through the objects in the cart

callback: function to call with each iteration

Iterating through the evoShop objects:

evoShop.add({name: "Sticker",price: 1});
evoShop.add({name: "Button",price: 1});

var items = [];

evoShop.each(function( item , x ){
    items.push( item.name );
});

console.log( items );   // [ "Sticker" , "Button" ]