25 lines
598 B
JavaScript
25 lines
598 B
JavaScript
hljs.initHighlightingOnLoad();
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const listBg = document.querySelector('.list-bg');
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if (listBg) {
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const halfAnHour = 1000 * 60 * 30;
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function setListBgStyle() {
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const now = new Date();
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const time = now.getHours() + now.getMinutes() / 60;
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let opacity = Math.abs(time - 14);
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opacity = opacity > 12 ? 10 + Math.abs(opacity - 14) : opacity;
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opacity = Number((opacity / 12).toFixed(2));
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listBg.setAttribute('style', `opacity: ${opacity}`);
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}
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requestAnimationFrame(setListBgStyle);
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setInterval(() => {
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requestAnimationFrame(setListBgStyle);
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}, halfAnHour);
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}
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