[javascript] 获取当前时间日期和时间戳

//js获取当前时间
function getNowDate() {
    var myDate = new Date;
    var year = myDate.getFullYear(); //获取当前年
    var mon = myDate.getMonth() + 1; //获取当前月
    var date = myDate.getDate(); //获取当前日
    var hours = myDate.getHours(); //获取当前小时
    var minutes = myDate.getMinutes(); //获取当前分钟
    var seconds = myDate.getSeconds(); //获取当前秒
    var now = year + "-" + mon + "-" + date + " " + hours + ":" + minutes + ":" + seconds;
    return now;
}
//获取当前时间戳
function getTimestamp() {
    return new Date(getNowDate()).getTime();
}