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March 20, 2020 19:11
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| const showDuration = startTime => { | |
| let interval; | |
| const formatTime = () => { | |
| const distance = Date.now() - new Date(startTime); | |
| let hours = Math.floor( | |
| (distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60) | |
| ); | |
| let minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60)); | |
| let seconds = Math.floor((distance % (1000 * 60)) / 1000); | |
| hours = hours < 10 ? "0" + hours : hours; | |
| minutes = minutes < 10 ? "0" + minutes : minutes; | |
| seconds = seconds < 10 ? "0" + seconds : seconds; | |
| let d; | |
| if (distance < 0) { | |
| clearInterval(interval); | |
| d = "EXPIRED"; | |
| } else { | |
| d = hours + ":" + minutes + ":" + seconds; | |
| } | |
| document.querySelector(".timer").innerHTML = d; | |
| return d; | |
| }; | |
| interval = setInterval(formatTime, 1000); | |
| return formatTime(); | |
| }; | |
| const formatted = showDuration("2020-03-13T23:00:00.000+0000"); | |
| console.log("formatted", formatted); | |
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