js显示时间函数

 

        function myTime() {
            let myDate = new Date();
            let year = myDate.getFullYear();
            let month = myDate.getMonth() + 1;
            let day = myDate.getDate();
            let hours = myDate.getHours();
            let min = myDate.getMinutes();
            let sec = myDate.getSeconds();
            if (month < 10) {
                month = '0' + month;
            }
            if (day < 10) {
                day = '0' + day;
            }
            return `${year}-${month}-${day} ${hours}:${min}:${sec}`

        }
        // nowTime = myTime();
        // document.write(nowTime);
        let time = document.getElementById('time');
        setInterval(function () {
            time.innerText = myTime();
        }, 1000)