18 lines
576 B
JavaScript
18 lines
576 B
JavaScript
[!]
|
|
|
|
|
|
let old_scroll_top = document.documentElement.scrollTop;
|
|
|
|
function onscroll() {
|
|
if (document.documentElement.scrollTop > old_scroll_top + 100) {
|
|
document.getElementById("header").classList.add("hide");
|
|
old_scroll_top = document.documentElement.scrollTop;
|
|
}
|
|
if (document.documentElement.scrollTop < old_scroll_top) {
|
|
old_scroll_top = document.documentElement.scrollTop;
|
|
document.getElementById("header").classList.remove("hide");
|
|
}
|
|
}
|
|
|
|
window.addEventListener("wheel", onscroll);
|
|
window.addEventListener("scroll", onscroll); |