21 lines
494 B
JavaScript
21 lines
494 B
JavaScript
(function(){
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document.querySelectorAll('[data-countdown-to]').forEach(function(el) {
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var expires = +el.dataset.countdownTo
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function update() {
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var left = expires - (+new Date()/1000|0)
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if (left > 0) el.innerHTML = 'in ' + formatDur(left)
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else location.reload()
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}
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update()
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setInterval(update, 1000)
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})
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function formatDur(x) {
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var h=x/3600|0, m=x%3600/60|0, s=x%60
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return ''+(h>0?h+':':'')+(m<10&&h>0?'0':'')+m+':'+(s<10?'0':'')+s
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}
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})()
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