老师，帮忙看一下
来源：2-17 编程练习
dy12369
2022-03-19 10:36:49
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>数据数据类型</title>
</head>
<body>
<script>
var a = null;
var b = 10;
var c = "我是字符串";
var d = "10";
var e = undefined;
console.log(isNaN(a));
console.log(isNaN(b));
console.log(isNaN(c));
console.log(isNaN(d));
console.log(isNaN(e));
</script>
</body>
</html>
写回答
1回答
-
好帮手慕小李
2022-03-19
同学你好，代码是对的，继续加油，祝学习愉快~
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