16 lines
426 B
JavaScript
16 lines
426 B
JavaScript
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let backToTop = document.getElementById("backToTop");
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window.onscroll = function() {scrollFunction()};
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function scrollFunction() {
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if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
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backToTop.style.display = "block";
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} else {
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backToTop.style.display = "none";
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}
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}
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function topFunction() {
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document.body.scrollTop = 0;
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document.documentElement.scrollTop = 0;
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}
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