odin-fizzbuzz/index.js

let number = parseInt(prompt('FizzBuzz: Input a total number'));
if (isNaN(number)) {
    alert("Not a number, refreshing");
    location.reload();
} else {
    for (let i = 1; i <= number; i++) {
        output = "";
        if (i % 3 === 0) (output += "Fizz");
        if (i % 5 === 0) (output += "Buzz");
        if (!output) (output = i.toString());
        console.log(output);
    }
}