// 時間格式化
function format_date(timeStamp) {
let date = new Date(timeStamp);
return date.getFullYear() + "年"
+ prefix_zero(date.getMonth() + 1) + "月"
+ prefix_zero(date.getDate()) + "日 "
+ prefix_zero(date.getHours()) + ":"
+ prefix_zero(date.getMinutes());
}
// 數字格式化
function prefix_zero(num) {
return num >= 10 ? num : "0" + num;
}
// 倒計時時間格式化
function format_time(timeStamp) {
let day = Math.floor(timeStamp / (24 * 3600 * 1000));
let leave1 = timeStamp % (24 * 3600 * 1000);
let hours = Math.floor(leave1 / (3600 * 1000));
let leave2 = leave1 % (3600 * 1000);
let minutes = Math.floor(leave2 / (60 * 1000));
let leave3 = leave2 % (60 * 1000);
let seconds = Math.floor(leave3 / 1000);
if (day) return day + "天" + hours + "小時" + minutes + "分";
if (hours) return hours + "小時" + minutes + "分" + seconds + "秒";
if (minutes) return minutes + "分" + seconds + "秒";
if (seconds) return seconds + "秒";
return "時間到!";
}
常用的日期時間函數
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