原生时钟代码

/* 最简单的时钟 */
        function getTime() {
            var now = new Date();
            var result = {};
            result.year = getYear(now);
            result.month = repairWithZero(getMonth(now));
            result.day = repairWithZero(getDay(now));
            result.week = getWeek(now);
            result.hour = repairWithZero(getHours(now));
            result.minute = repairWithZero(getMinutes(now));
            result.second = repairWithZero(getSeconds(now));
            return result;
        }
        function formatTimeCh(obj) {
            var str = '';
            var weeks = ['日', '一', '二', '三', '四', '五', '六'];
            str =
                `${obj.year}年${obj.month}月${obj.day}日星期${weeks[obj.week]} ${obj.hour}:${obj.minute}:${obj.second}`;
            document.getElementById('time').innerHTML = str;
        }
        function formatTimeEn(obj) {
            var str = '';
            var hourStr;
            var weeks = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
            if (obj.hour > 12) {
                hourStr = `${obj.hour-12}:${obj.minute}:${obj.second} PM`;
            } else {
                hourStr = `${obj.hour}:${obj.minute}:${obj.second} AM`;
            }
            str = `${obj.year}-${obj.month}-${obj.day} ${weeks[obj.week]} ${hourStr}`;
            document.getElementById('etime').innerHTML = str;
        }
        function formatTime(obj) {
            formatTimeCh(obj);
            formatTimeEn(obj)
        }
        setInterval(function () {
            formatTime(getTime());
        }, 1000)
        function repairWithZero(num) {
            if (num < 0) {
                return false;
            } else if (num < 10) {
                return '0' + num;
            } else {
                return num;
            }
        }
        function getYear(date) {
            return date.getFullYear();
        }
        function getMonth(date) {
            return date.getMonth() + 1;
        }
        function getDay(date) {
            return date.getDate();
        }
        function getWeek(date) {
            return date.getDay();
        }
        function getHours(date) {
            return date.getHours();
        }
        function getMinutes(date) {
            return date.getMinutes();
        }
        function getSeconds(date) {
            return date.getSeconds();
        }