<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>switch</title>
<script type="text/JavaScript">
function jump(){
var myweek = prompt("今天星期几？");
switch (myweek)
{
case "1":
case "2":
document.write("学习理念知识");
break;
case "3":
case "4":
document.write("到企业实践");
break;
case "5":
document.write("总结经验");
break;
case 6:
case 7:
document.write("周六、日休息和娱乐");
break;
default:
alert("该干嘛干嘛去");
}
}
</script>
</head>
<body>
<input type="button" onclick="jump()" value="点点看">
</body>
</html>迷了
switch中case 6 的case "6"
那个算数字和字符串
prompt 弹出的输入 6 异常显示default
输入加引号的3 就正常
prompt 输出的内容为string类型， 6为number类型，'6'为string类型，所以需要用case '6'