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Add scroll-to-top button that appears after scrolling 300px

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DaleStack 2025-08-01 03:21:28 +08:00
parent 4785d8edc7
commit 8ae2bd3552
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3
docs/_static/scrolltop.js vendored
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@ -1,3 +1,6 @@
// Injects a scroll-to-top button that appears after scrolling down 300px.
// When clicked, it smoothly scrolls the page back to the top.
window.addEventListener("scroll", function () {
const btn = document.getElementById("scrollToTop");
btn.style.display = window.scrollY > 300 ? "block" : "none";