                        课程
                    
                        /前端开发
                        
                            /JavaScript
                        
                        /JavaScript进阶篇

帮我看看问题出在哪，点按钮没反应。。

<!DOCTYPE HTML>

<html>

<head>

<title>switch</title>

function today(){

var day =prompt("今天星期几呀"," ");

switch (day)

{

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;

}

</script>

</head>

<body>

</body>

</html>

TeamLin

2018-07-13

源自：JavaScript进阶篇 4-4

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3 回答

qq_抛物线_0 回答被采纳 +2 积分
2018-07-14

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>switch</title>
<script type="text/JavaScript">
function today(){
var day =prompt("今天星期几呀","");
switch (parseInt(day))
{
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: document.write("输入错误！");
}
}
</script>
</head>
<body>
<input type="button" value="我是按钮" onclick="today()">
</body>
</html>