Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

JavaScript Introduction to Programming Control Structures Quiz

Luke Nicholls
Luke Nicholls
4,536 Points

Control Structures - Fizz Buzz Extra Credit

I'm not sure if this is the right place to ask my question but I would like to know what is the correct result for the Fizz Buzz challenge. I can do it for either 3 or five resulting in the right word replacement but i'm stuck on trying to do it for both at the same time.

Thanks in advance

3 Answers

Hi Luke,

You can use the logical AND operator &&

if (number % 3 == 0 && number % 5 == 0) { This will check that it's evenly divisible by both 3 AND 5

Or a more efficient way would be to realize that if a number is evenly divisible by both 3 and 5 then it must be evenly divisible by 15

if (number % 15 == 0) {

Whichever one you decide, it must be before the separate mod 3 and mod 5 checks.

Luke Nicholls
Luke Nicholls
4,536 Points

Thanks Jason,

I did work it out with the following code but your way is definitely handy to know for the future.

Cheers

for (var i=100; i; i=i-1) {

var a = (i % 3);

var b = (i % 5);

if (a) {
    var x = false;
}

else {
    var x = true;
}

if (b) {
    var y = false;
}

else {
    var y = true;
}

if (x * y) {
    console.log("fizzbuzz");
}

else if (x) {
    console.log("fizz");
}

else if (y) {
    console.log("buzz");
}

else {
    console.log(i);
}

}

Michael Guren
Michael Guren
5,195 Points

Here was my attempt:

counter = 1;
while(counter < 101){
    if (counter % 15 == 0) {
        console.log("fizzbuzz");
    }else if(counter % 3 == 0){
        console.log("fizz");
    }else if(counter % 5 == 0){
        console.log("buzz");
    }else{
        console.log(counter);
    }
    counter = counter + 1
}