[Sasha12312321]

let number = prompt("Введите число!");
for (let i = 0; i <= number; ++i) {
if (i % i === 0) {
if (i % 5 == 0) {
console.log(i);
}
} else {
if (!i || typeof +i !== "number" || isNaN(+i)) {
alert("Sorry, no numbers");
}
}
}