Bleep bleep


#1

hi ,guys
i almost copy your code
but i couldnot pass the lesson
it told me:
Oops, try again. There was a problem with your syntax.
but i could find the mistakes .who can help me ?thanks

var cashRegister = {
total:0,
lastTransactionAmount:0,
//Dont forget to add your property
add: function(itemCost) {
this.total += itemCost;
this.lastTransactionAmount=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};
//Add the voidLastTransaction Method here
voidLastTransaction:function(lastTransactionAmount){
this.total-=this.lastTransactionAmount;}
}

cashRegister.scan(‘eggs’,1);
cashRegister.scan(‘milk’,1);
cashRegister.scan(‘magazine’,1);
cashRegister.scan(‘chocolate’,4);

//Void the last transaction and then add 3 instead
cashRegister.voidLastTransaction();
cashRegister.scan(‘chocolate’,3);
//Show the total bill
console.log('Your bill is '+cashRegister.total);


Bleep Bleep: it seems to work but it won't let me go through
#2

vin5460, here is some missing take that i have found:


and this is right code, i hope that it’'s can help u alot:
//

type or paste code here
var cashRegister = {
    total:0,
    //Dont forget to add your property
    lastTransactionAmount:0,
    add: function(itemCost) {
        this.total +=  itemCost;
        this.lastTransactionAmount=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;
    },
    //Add the voidLastTransaction Method here
    voidLastTransaction: function() {
        this.total -= this.lastTransactionAmount;
    }
};

cashRegister.scan('eggs',1);
cashRegister.scan('milk',1);
cashRegister.scan('magazine',1);
cashRegister.scan('chocolate',4);

//Void the last transaction and then add 3 instead
cashRegister.voidLastTransaction()
cashRegister.scan("chocolate",3);
//Show the total bill
console.log('Your bill is '+cashRegister.total);

#3

@rubyblaster40953

thank you very much …


#4

#5

Next time, make a new topic instead of hijacking an existing one (see guidelines)

new topics are answered faster then reviving old topics