mirror of
https://github.com/helenclx/leilukin-site.git
synced 2025-03-14 20:27:15 +00:00
45 lines
1.1 KiB
Plaintext
45 lines
1.1 KiB
Plaintext
<button class="top-btn hidden" aria-label="Scroll to top">
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<i class="fa-solid fa-chevron-up"></i>
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</button>
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<style>
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.top-btn {
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position: fixed;
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margin: 0;
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padding: 0;
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bottom: 0.5rem;
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right: 0.5rem;
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z-index: 999;
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border: none;
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background-color: var(--clr-top-btn-bg);
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color: var(--clr-top-btn-txt);
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border-radius: 50em;
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width: 2rem;
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aspect-ratio: 1 / 1;
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}
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.top-btn:focus {
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outline: 0.25em solid var(--clr-top-btn-bg);
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outline-offset: 0.15em;
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}
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</style>
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<script defer>
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const topButton = document.querySelector(".top-btn");
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window.onscroll = () => {
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if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
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topButton.classList.remove("hidden");
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} else {
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topButton.classList.add("hidden");
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}
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}
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topButton.addEventListener('click', () => {
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window.scrollTo({
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top: 0,
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left: 0,
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behavior: "smooth",
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});
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});
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</script> |