tryjsref_date_weekday 在线代码实例

实例代码( Tip: 登录后体验更佳 )
运行代码

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool教程(w3cschool.cn)</title>
</head>
<body>
<p id="demo">单击按钮显示今天周几</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
    var d = new Date();
    var weekday=new Array(7);
    weekday[0]="Sunday";
    weekday[1]="Monday";
    weekday[2]="Tuesday";
    weekday[3]="Wednesday";
    weekday[4]="Thursday";
    weekday[5]="Friday";
    weekday[6]="Saturday";
    var x = document.getElementById("demo");
    x.innerHTML=weekday[d.getDay()];
}
</script>
</body>
</html>
 
 
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运行结果
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