js获取当前时间

/*获取当前时间*/

    var now = new Date();
    var hh = now.getHours();
    var mm = now.getMinutes();
    var ss = now.getSeconds();
    var date1 = document.getElementById("now1");

    var date2 = document.getElementById("now2");
    function getDateWeek(obj) {if (obj < 10) return "0" + obj; else return obj;}
    date1.innerHTML = getDateWeek(hh) + ":" + getDateWeek(mm) + ":" + getDateWeek(ss);
    date2.innerHTML = getDateWeek(hh) + ":" + getDateWeek(mm) + ":" + getDateWeek(ss+2);

日期：2020.7.29