I did exactly like the video but its not showing the total answer

var correct = 0;
var answer1 = prompt("What is the capital of Bangladesh ?");
if (answer1.toUpperCase() === 'Dhaka'){
    correct += 1;
}

var answer2 = prompt("What is the capital of Pakistan ?");
if (answer2.toUpperCase() === 'Islamabad'){
    correct += 1;
}

var answer3 = prompt("What is the capital of England ?");
if (answer3.toUpperCase() === 'London'){
    correct += 1;
}

var answer4 = prompt("What is the capital of Bhutan ?");
if (answer4.toUpperCase() === 'Thimpu'){
    correct += 1;
}

var answer5 = prompt("What is the capital of Australia ?");
if (answer5.toUpperCase() === 'Sydney'){
    correct += 1;
}


document.write("You got " + correct + " out of 5 questions");

if (correct === 5){
    document.write("You got gold medal");
}

else if(correct >=3){
    document.write("You got silver medal");
}
else if(correct >=1){
    document.write("You got Bronze medal");
}
else{
    document.write("You Lost");
}