js如何取当前日期时间/格式为:yyyy-mm-dd hh:mm:ss

JScript code

<script type="text/javascript">
 //取当前时间，格式为,yyyy-mm-dd hh:mm:ss
function GetDateT()
 {
  var d,s;
  d = new Date();
  s = d.getYear() + "-";             //取年份
  s = s + (d.getMonth() + 1) + "-";//取月份
  s += d.getDate() + " ";         //取日期
  s += d.getHours() + ":";       //取小时
  s += d.getMinutes() + ":";    //取分
  s += d.getSeconds();         //取秒
  
  return(s);  
 
 } 
myDate=GetDateT()
alert (myDate) 
</script>

<div id="jnkc">
</div>
<script>setInterval("jnkc.innerHTML=new Date().toLocaleString();",1000);
</script>
<script> 
var today =new Date() 
alert((today.toLocaleString().replace(/年|月/g,'-')).replace(/日/g,'')) 
</script>

<script> 
var today =new Date() 
alert((today.toLocaleString().replace(/年|月/g,'-')).replace(/日/g,'')) 
</script>