菜鸟教程在线编辑器

AI 编程工具
 
                <html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>

<p>点击按钮根据不同的工作日输出信息。</p>

<button onclick="myFunction()">点我</button>

<p id="demo"></p>

<script>
function myFunction() {
    var text;
    switch (new Date().getDay()) {
        case 6:
            text = "Today is Saturday";
            break;
        case 0:
            text = "Today is Sunday";
            break;
        default:
            text = "Looking forward to the Weekend";
    }
    document.getElementById("demo").innerHTML = text;
}
</script>

</body>
</html>
              