Oops, try again. false


I get this error message : "Oops, try again. false"

function StaffMember(name,discountPercent){
    this.name = name;
    this.discountPercent = discountPercent;

var sally = new StaffMember("Sally",5);
var bob = new StaffMember("Bob",10);

// Create yourself again as 'me' with a staff discount of 20%
var me = new StaffMember("Laurin",20);

var cashRegister = {
    lastTransactionAmount: 0,
    add: function(itemCost){
        this.total += (itemCost || 0);
        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;
    voidLastTransaction : function(){
        this.total -= this.lastTransactionAmount;
        this.lastTransactionAmount = 0;
    // Create a new method applyStaffDiscount here
    applyStaffDiscount : function(employee) {
        this.total -= this.total * (employee.discountPercent / 100);
// Apply your staff discount by passing the 'me' object 
// to applyStaffDiscount

// Show the total bill
console.log('Your bill is '+cashRegister.total.toFixed(2));


The SCT might not be fixing the decimal digits and is expecting a different float than this line returns. Try simplifying it and see if that changes anything...

this.total *= 1 - employee.discountPercent / 100


I tried, but i got the same error message.


Please post a link to the exercise. Thank you.

Have you scanned everything that is expected?



The "scan" part was already there. The purpose of exercise is "staffDiscount".


My lesson 7 has this list:



I have added the missing line..and it worked!
I don' t know why it wasn't there...or maybe i just deleted by mistake...

Thank you very much for your time and help !


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