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feat: add back to top button and group with theme switcher

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grassblock 2025-05-03 20:53:47 +08:00
parent c6db8689b4
commit 350f6f3865
2 changed files with 32 additions and 1 deletions
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27
src/components/BackToTop.astro Normal file
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---
---
<button id="toTopBtn" title="Go to top">Top</button>
<script>
// Get the button
let toTopButton = document.getElementById("toTopBtn");
// When the user scrolls down from the top of the document, show the button
window.addEventListener("scroll", ()=> {
if (window.scrollY < document.documentElement.clientHeight) {
toTopButton.classList.remove('fade-in');
toTopButton.classList.add('fade-out');
toTopButton.style.display = 'block';
} else {
toTopButton.classList.remove('fade-out');
toTopButton.classList.remove('fade-in');
}
})
// When the user clicks on the button, scroll to the top of the document
toTopButton.addEventListener("click", toTop);
function toTop() {
document.body.scrollTop = 0;
document.documentElement.scrollTop = 0;
}
</script>