js-输出系统当前时间 

<!DOCTYPE html>
<html>
<head>
<meta charset="gb2312"/>
<title>输出系统当前时间</title>
<style>
   #box{
           color:red;
        font-size:16px;
        width:300px;
        margin:0 auto;
   }    
        
</style>
<script>
window.onload=function(){
    showTime();
}
function check(i){
        if(i<10){
            i="0"+i;
        }
            return i;
    }
function showTime(){
    var myDate=new Date();
    var year=myDate.getFullYear();
    var month=myDate.getMonth()+1;
    var date=myDate.getDate();
    var d=myDate.getDay();
    var week=new Array(7);
    week[0]="星期日"
    week[1]="星期一"
    week[2]="星期二"
    week[3]="星期三"
    week[4]="星期四"
    week[5]="星期五"
    week[6]="星期六"
    var h=myDate.getHours();
    var m=myDate.getMinutes();
    var s=myDate.getSeconds();
    h=check(h);
    m=check(m);
    s=check(s);
    document.getElementById("box").innerHTML = year+"年"+month+"月"+date+"日"+week[d]+h+":"+m+":"+s;    
    setTimeout(showTime,500);
}
</script>
</head>
<body>
<div id="box">11111</div>

</body>
</html>

 

posted @ 2017-04-10 11:05  lexie  阅读(1153)  评论(0)    收藏  举报