如何在 JavaScript 中将时间以毫秒为单位转换为小时、分钟、秒格式?

问题描述：

我有一个以毫秒为单位的时间，我想将其转换为 HH:MM:SS 格式.它应该环绕， milliseconds = 86400000 我想得到 00:00:00.

I have a time as a number of milliseconds and I want to convert it to a HH:MM:SS format. It should wrap around, with milliseconds = 86400000 I want to get 00:00:00.

答

如何创建这样的函数:

function msToTime(duration) {
  var milliseconds = Math.floor((duration % 1000) / 100),
    seconds = Math.floor((duration / 1000) % 60),
    minutes = Math.floor((duration / (1000 * 60)) % 60),
    hours = Math.floor((duration / (1000 * 60 * 60)) % 24);

  hours = (hours < 10) ? "0" + hours : hours;
  minutes = (minutes < 10) ? "0" + minutes : minutes;
  seconds = (seconds < 10) ? "0" + seconds : seconds;

  return hours + ":" + minutes + ":" + seconds + "." + milliseconds;
}
console.log(msToTime(300000))

如何在 JavaScript 中将时间以毫秒为单位转换为小时、分钟、秒格式?

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