主页
JS 参考手册
JavaScript switch 语句
tryjsref_state_switch3
运行 ❯
×
更改方向
保存代码
更改主题
<html> <body> <p>单击该按钮可根据今天的日期显示一条消息。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> function myFunction() { var text; switch (new Date().getDay()) { case 1: case 2: case 3: default: text = "Looking forward to the Weekend"; break; case 4: case 5: text = "Soon it is Weekend"; break; case 0: case 6: text = "It is Weekend"; } document.getElementById("demo").innerHTML = text; } </script> </body> </html>