麻烦老师看看，谢谢
来源：3-11 编程练习
qq_慕移动3101913
2019-08-16 15:09:11
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>数据类型之NaN</title>
</head>
<body>
<script>
//补充代码
var name_1="null",name_2=10,name_3="我是字符串"，name_4="10",name_5="undefined";
console.log(isNaN(name_1));
console.log(isNaN(name_2));
console.log(isNaN(name_3));
console.log(isNaN(name_4));
console.log(isNaN(name_5));
</script>
</body>
</html>
2回答
-
你好同学，根据第二次上传的代码，有一个中文符号导致报错，改成英文的即可：
祝学习愉快，望采纳。
0 -
qq_慕移动3101913
提问者
2019-08-16
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>数据类型之NaN</title>
</head>
<body>
<script>
//补充代码
var name_1=null,name_2=10,name_3="我是字符串"，name_4="10",name_5=undefined;
console.log(isNaN(name_1));
console.log(isNaN(name_2));
console.log(isNaN(name_3));
console.log(isNaN(name_4));
console.log(isNaN(name_5));
</script>
</body>
</html>
0
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