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@@ -1,44 +1,20 @@ | ||
document.addEventListener("DOMContentLoaded", function() { | ||
// Cache the back-to-top button element | ||
// Back-Top Button | ||
document.addEventListener("scroll", function() { | ||
const scrollTop = document.documentElement.scrollTop || document.body.scrollTop; | ||
const backToTopButton = document.querySelector(".back-to-top"); | ||
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// Function to scroll to the top with smooth behavior | ||
function scrollToTop() { | ||
window.scrollTo({ | ||
top: 0, | ||
behavior: "smooth" | ||
}); | ||
// show/hide back to top button based on scroll position | ||
if (scrollTop > 50) { | ||
document.body.classList.add("scroll-down"); | ||
} else { | ||
document.body.classList.remove("scroll-down"); | ||
} | ||
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// Function to handle scroll event with throttling | ||
function handleScroll() { | ||
const scrollTop = window.scrollY || document.documentElement.scrollTop; | ||
if (scrollTop > 50) { | ||
backToTopButton.classList.add("visible"); | ||
} else { | ||
backToTopButton.classList.remove("visible"); | ||
} | ||
} | ||
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// Throttle the scroll event listener | ||
let throttleTimeout; | ||
function throttleScroll() { | ||
if (!throttleTimeout) { | ||
throttleTimeout = setTimeout(function() { | ||
throttleTimeout = null; | ||
handleScroll(); | ||
}, 200); // Adjust the throttle interval as needed | ||
} | ||
} | ||
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// Event listener for scrolling | ||
window.addEventListener("scroll", throttleScroll); | ||
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// Event listener for clicking back-to-top button | ||
backToTopButton.addEventListener("click", function() { | ||
scrollToTop(); | ||
// Add focus to an element after scrolling to improve accessibility | ||
document.querySelector("h1").focus(); // Example: focus on the page heading | ||
}); | ||
}); | ||
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// Function to scroll to the top when the button is clicked | ||
function scrollToTop() { | ||
window.scrollTo({ | ||
top: 0, | ||
behavior: "smooth" | ||
}); | ||
} |