18 lines
520 B
JavaScript
18 lines
520 B
JavaScript
var toTopButton = document.getElementById("to-top-button");
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// When the user scrolls down 200px from the top of the document, show the button
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window.onscroll = function () {
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if (
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document.body.scrollTop > 250 ||
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document.documentElement.scrollTop > 250
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) {
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toTopButton.classList.remove("hidden");
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} else {
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toTopButton.classList.add("hidden");
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}
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};
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// When the user clicks on the button, scroll to the top of the document
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function goToTop() {
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window.scrollTo({ top: 0, behavior: "smooth" });
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} |