JS gets the current time instance code-JS Tutorial-php.cn

JS gets the current time instance code

小云云

Release： 2018-03-13 15:28:24

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This article mainly shares with you the JS code to obtain the current time example. We first share a picture with you, hoping to help you.

Basic properties of Date object:

Get the current time:

<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style type="text/css">
        #box{
            width:300px;
            height:50px;
            border:1px solid black;
        }
    </style>
</head>
<body>
<p id="box"></p>
<script type="text/javascript">
    window.onload=function(){
        function checkTime(i){      //此函数用来检查获取的数值是否大于10；
            if(i<10){
                i=&#39;0&#39;+i;      //如果小于10，则前面+0
            }
                return i;
        }
        function show(){
            var mydate=new Date();
            var year=mydate.getFullYear();
            var month=mydate.getMonth()+1;//因为月份是从零开始，故要得到当前的月份就要+1
            var date=mydate.getDate();  //日
            var day=mydate.getDay();//返回星期几
            var week=new Array(7);
                week[0]=&#39;星期一&#39;;
                week[1]=&#39;星期二&#39;;
                week[2]=&#39;星期三&#39;;
                week[3]=&#39;星期四&#39;;
                week[4]=&#39;星期五&#39;;
                week[5]=&#39;星期六&#39;;
                week[6]=&#39;星期日&#39;;
            var h=mydate.getHours();
            var m=mydate.getMinutes();
            var s=mydate.getSeconds();
            m=checkTime(m);
            s=checkTime(s);
            document.getElementById(&#39;box&#39;).innerHTML=year+&#39;年&#39;+month+&#39;月&#39;+date+&#39;日&#39;+week[day]+h+&#39;:&#39;+m+&#39;:&#39;+s;
        }
        setInterval(show,500);  //每隔500ms调用一次show函数

    };
</script>
</body>
</html>

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The current time will be displayed. Note: getday(); returns a number, so it needs to be represented by an array.

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