js获取当前日期时间

<script>
var myDate = new Date();
    myDate.getYear();       //获取当前年份(2位)
//alert(myDate.getYear()) //2009
    myDate.getFullYear();   //获取完整的年份(4位,1970-????)
//alert(myDate.getFullYear()); 2009
    myDate.getMonth();      //获取当前月份(0-11,0代表1月)
//alert(myDate.getMonth()); //7(实际是8月)
    myDate.getDate();       //获取当前日(1-31)
//alert( myDate.getDate()); //13
    myDate.getDay();        //获取当前星期X(0-6,0代表星期天)
//alert(myDate.getDay()); //4 代表星期四
    myDate.getTime();       //获取当前时间(从1970.1.1开始的毫秒数)
myDate.getHours();      //获取当前小时数(0-23)
//alert(myDate.getHours()); //9 代表9点
    myDate.getMinutes();    //获取当前分钟数(0-59)
//alert(myDate.getMinutes()); //45 分
    myDate.getSeconds();    //获取当前秒数(0-59)
//alert(myDate.getSeconds()); //40 秒数
    myDate.getMilliseconds();   //获取当前毫秒数(0-999)
    myDate.toLocaleDateString();    //获取当前日期
    var mytime=myDate.toLocaleTimeString();    //获取当前时间
//alert(mytime);//9:40:18
    myDate.toLocaleString( );       //获取日期与时间
//alert( myDate.toLocaleString( )); //2009年8月13日 9:40:58

</script>

<script>
function curDateTime() {
   var d = new Date();
   var year = d.getYear();
   var month = d.getMonth() + 1;
   var date = d.getDate();
   var day = d.getDay();
   var curDateTime = year;
   if (month > 9)
    curDateTime = curDateTime + month;
   else
    curDateTime = curDateTime + "0" + month;
   if (date > 9)
    curDateTime = curDateTime + date;
   else
    curDateTime = curDateTime + "0" + date;

   //myform.kprq.value = curDateTime;
   alert("当前日期"+curDateTime);
   document.getElementByIdx_x("date").value=curDateTime;

}
</script>

function curDateTime() {
       var d = new Date();
       var year = d.getFullYear();
       var month = d.getMonth() + 1;
       var date = d.getDate();
       var day = d.getDay();
       var curDateTime = year;
       if (month > 9)
          curDateTime = curDateTime + "-" + month;
       else
          curDateTime = curDateTime + "-0" + month;
       if (date > 9)
          curDateTime = curDateTime + "-"  + date;
       else
          curDateTime = curDateTime + "-0" + date;
       return curDateTime;
 }