js动态显示实时时间

$(function () {
        CurrentTime();
    })
    function CurrentTime() {
        var date = new Date();
        var year = date.getFullYear();
        var month = date.getMonth() + 1;
        var day = date.getDate();
        var hour = date.getHours();
        var minute = date.getMinutes();
        var second = date.getSeconds();
        month = month < 10 ? ("0" + month) : month;
        day = day < 10 ? ("0" + day) : day;
        hour = hour < 10 ? ("0" + hour) : hour;
        minute = minute < 10 ? ("0" + minute) : minute;
        second = second < 10 ? ("0" + second) : second;
        var Timer = year + ‘-‘ + month + ‘-‘ + day + ‘ ‘ + hour + ‘:‘ + minute + ‘:‘ + second;
        //在页面上插入日期
        $("#Time").html(Timer);
        setTimeout(function () {
            CurrentTime();
        }, 1000);
    }