JS 将字符串复制到剪贴板
摘要：const el = document.createElement('textarea'); el.value = str; el.setAttribute('readonly', ''); el.style.position = 'absolute'; el.style.left = '-9999
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2020-03-18 03:55
wakaka_wka
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JS 指定选择器创建具有指定范围，步长和持续时间的计数器
摘要：const counter = (selector, start, end, step = 1, duration = 2000) => { let current = start, _step = (end - start) * step < 0 ? -step : step, timer = s
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2020-03-18 03:54
wakaka_wka
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JS 获得两个日期之间的差异（以天为单位）
摘要：const getDaysDiffBetweenDates = (dateInitial, dateFinal) => (dateFinal - dateInitial) / (1000 * 3600 * 24); // 事例 getDaysDiffBetweenDates(new Date('20
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2020-03-18 03:52
wakaka_wka
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JS 从对象检索给定选择器指示的一组属性
摘要：const get = (from, ...selectors) => [...selectors].map(s => s .replace(/\[([^\[\]]*)\]/g, '.$1.') .split('.') .filter(t => t !== '') .reduce((prev, cu
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2020-03-18 03:47
wakaka_wka
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JS 函数防抖 函数节流
摘要：平滑滚动到页面顶部 const scrollToTop = () => { const c = document.documentElement.scrollTop || document.body.scrollTop; if (c > 0) { window.requestAnimationFra
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2020-03-18 03:27
wakaka_wka
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