The first time I solved FizzBuzz, my code result was:

for (let i = 1; i <= 100; i++) {
    if (i % 3 == 0 && i % 5 == 0) {
        console.log("FizzBuzz");
    } else if (i % 3 == 0) {
        console.log("Fizz");
    } else if (i % 5 == 0) {
        console.log("Buzz");
    } else {
        console.log(i);
    }
}

While looking for pull requests to make for Hacktoberfest, I stumbled upon

Note: The repo author asked to print 'Spider' instead of 'FizzBuzz', 'Ghost' instead of 'Buzz' and 'Rat' instead of 'Fizz'.

My result:

console.log([...Array(100)].map((_,i)=>{i++;return(i%15?'':'Spider')||(i%5?'':'Ghost')||(i%3?'':'Rat')||i;}).join('\n'));

SET UP
--> console.log(): to directly log the result.
--> [...Array(100)]: to create a temporary array of 100 to produce the much wanted indexes.
--> .map((n,i)=>{}: to return an array filled with new content after the current values have iterated through the method's callback function.

CALLBACK
--> i++: to initiate i to be 1 (in this case, we don't want to start from 0).
--> return: to stop the function from running once its done iterating and return the new array.
--> (i%15?'':'Spider'): check if i is divisible by 15 (if divisible by 15, it is also divisible by both 3 and 5); if there's a remainder, print nothing; if there isn't, print 'Spider'.
--> ||: OR
--> (i%5?'':'Ghost'): check if i is divisible by 5; if there's a remainder, print nothing; if there isn't, print 'Ghost'.
--> ||: OR
--> (i%3?'':'Rat'): check if i is divisible by 3; if there's a remainder, print nothing; if there isn't, print 'Rat'.
--> ||: OR
--> i: if it isn't divisible by any of the previous options, print the fucking number.

FINISHING
--> .join('\n'): to return a string of all the concatenated elements of the new array using a new line as separator; thus, jumping a line between each elements to console.log a nice SpiderGhostRatNumber list! =)

PS. In JavaScript, an integer converts to a boolean such that 0 is false and all non-zero values (even negative ones) are true.

What's your FizzBuzz solution?