js获取当前日期时间

获取当前的日期时间 格式“yyyy-MM-dd HH:MM:SS”

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function getNowFormatDate() {
     var date = new Date();
     var seperator1 = "-" ;
     var seperator2 = ":" ;
     var month = date.getMonth() + 1;
     var strDate = date.getDate();
     if (month >= 1 && month <= 9) {
         month = "0" + month;
     }
     if (strDate >= 0 && strDate <= 9) {
         strDate = "0" + strDate;
     }
     var currentdate = date.getFullYear() + seperator1 + month + seperator1 + strDate
             + " " + date.getHours() + seperator2 + date.getMinutes()
             + seperator2 + date.getSeconds();
     return currentdate;
}

实时获取并显示当前时间的方法方法一<div id="show"></div><script type="text/javascript"> window.onload = function() { 
var show = document.getElementById("show"); 
setInterval(function() {  
var time = new Date();   // 程序计时的月从0开始取值后+1  
var m = time.getMonth() + 1;  
var t = time.getFullYear() + "-" + m + "-"    
+ time.getDate() + " " + time.getHours() + ":"    
+ time.getMinutes() + ":" + time.getSeconds();  
show.innerHTML = t; 
}, 1000);
};
</script>方法二<!DOCTYPE html>

<html lang="en">
<head>
<meta charset="gb2312">
<title></title>
<script type="text/javascript">
window.onload=function(){ 
setInterval(function(){  
var date=new Date();  
var year=date.getFullYear(); //获取当前年份  
var mon=date.getMonth()+1; //获取当前月份  
var da=date.getDate(); //获取当前日  
var day=date.getDay(); //获取当前星期几  
var h=date.getHours(); //获取小时  
var m=date.getMinutes(); //获取分钟  
var s=date.getSeconds(); //获取秒  
var d=document.getElementById('Date');   
d.innerHTML='当前时间:'+year+'年'+mon+'月'+da+'日'+'星期'+day+' '+h+':'+m+':'+s;  },1000)  }
</script>
</head>
<body>
<div id="Date"> </div>
</body>
</html>


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转载自blog.csdn.net/weixin_37380784/article/details/80771534