4 I Have to Scan It More Than Once?


#1

var cashRegister = {
    total:0,
    add: function(itemCost,quantity){
        this.total += itemCost;
    },
    scan: function(item,quantity) {
        switch (item) {
        case "eggs": this.add(0.98 * quantity); break;
        case "milk": this.add(1.23 * quantity); break;
        case "magazine": this.add(4.99 * quantity); break;
        case "chocolate": this.add(0.45 * quantity); break;
        }
        return true;
    }
};

// scan each item 4 times

cashRegister.scan('eggs',4);
cashRegister.scan('milk',4);
cashRegister.scan('magazine',4);
cashRegister.scan('chocolate',4);


//Show the total bill
console.log('Your bill is '+cashRegister.total);

#2

i only see code, do you also have a question/error?


#3

if your title is referring to the code below, then yes, yes you do have to scan all items. :slight_smile:


#4

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