13 lines
407 B
JavaScript
13 lines
407 B
JavaScript
window.addEventListener("DOMContentLoaded", event => {
|
|
const backToTop = document.getElementById('back-to-top');
|
|
|
|
if (backToTop !== null) {
|
|
window.addEventListener(
|
|
'scroll',
|
|
throttle(function() {
|
|
window.scrollY > 100 ? backToTop.classList.add('show') : backToTop.classList.remove('show');
|
|
}, delayTime)
|
|
);
|
|
}
|
|
}, {once: true});
|