发布于 11个月前

js 距离过去到现在时间表示:几天前、几分钟前...

有时我们需要打印6分钟前的日期,但不希望很大的库来完成。这里有一个小片段可以做到这一点:

const fromAgo = (date) => {
  const ms = Date.now() - date.getTime();
  const seconds = Math.round(ms / 1000);
  const minutes = Math.round(ms / 60000);
  const hours = Math.round(ms / 3600000);
  const days = Math.round(ms / 86400000);
  const months = Math.round(ms / 2592000000);
  const years = Math.round(ms / 31104000000);

  switch (true) {
    case seconds < 60:
      return `${seconds} second(s) ago"`;
    case minutes < 60:
      return `${minutes} minute(s) ago"`;
    case hours < 24:
      return `${hours} hour(s) ago"`;
    case days < 30:
      return `${days} day(s) ago`;
    case months < 12:
      return `${months} month(s) ago`;
    default:
      return `${years} year(s) ago`;
  }
};

const createdAt = new Date(2021, 0, 5);
fromAgo(createdAt); // 14 day(s) ago;
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