显示系统时间-CFANZ编程社区

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
div{
width: 230px;
height: 45px;
line-height: 40px;
color:#fff;
background-color: skyblue;
text-align: center;

}
</style>
</head>
<body>

<button>显示当前系统时间</button>

<div>某个时间</div>

<script>

var btn=document.querySelector('button');
var div=document.querySelector('div');

btn.οnclick=function(){
div.innerHTML=getDate();
}

function getDate(){
var date=new Date();
var year=date.getFullYear();
var month=date.getMonth();
var dates=date.getDate();
var arr=['星期日','星期一','星期二','星期三','星期四','星期五','星期六',];
var day=date.getDay();
return'今天是'+year+'年'+month+'月'+dates+'日'+arr[day];
}

</script>


</body>
</html>

7320计算机02盛少将