20 lines
521 B
JavaScript
20 lines
521 B
JavaScript
'use strict';
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;
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window.addEventListener('load', () => {
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const gttButton = document.getElementById("totop");
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if (!gttButton) return;
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window.onscroll = () => {
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if (
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document.body.scrollTop > 300 ||
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document.documentElement.scrollTop > 300
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) {
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gttButton.style.visibility = "visible";
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gttButton.style.opacity = "1";
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} else {
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gttButton.style.visibility = "hidden";
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gttButton.style.opacity = "0";
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}
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};
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});
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