const scrollTotop = () => {
const backToTop = document.querySelector('.to_top');
if (null !== backToTop) {
document.addEventListener("scroll", () => {
window.scrollY > 300
? backToTop.classList.add('active')
: backToTop.classList.remove("active");
})
backToTop.addEventListener('click', () => {
setTimeout(() => {
window.scrollTo({
top: 0,
behavior: "smooth"
});
}, 100);
});
}
}
export default scrollTotop;