tryjs_switch2 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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<html>
<head>
<meta charset="utf-8">
<title>W3Cschool教程(w3cschool.cn)</title>
</head>
<body>
<p>点击下面的按钮，会显示出基于今日日期的消息：</p>
<button onclick="myFunction()">点击这里</button>
<p id="demo"></p>
<script>
function myFunction()
{
    var x;
    var d=new Date().getDay();
    switch (d)
    {
        case 6:x="今天是星期六";
        break;
        case 0:x="今天是星期日";
        break;
        default:
        x="期待周末";
    }
    document.getElementById("demo").innerHTML=x;
}
</script>
</body>
</html>
 
 
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运行结果
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