老师,请检查一下代码
来源:2-14 编程练习
weixin_慕雪4394317
2022-09-16 18:58:47
<!DOCTYPE html>
<html lang="en">
<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>Document</title>
</head>
<body>
<script>
// 补充代码
// 定义五个变量a,b,c,d,i 并为其赋值
var a = "[1,2,3]";
var b = 45;
var c = [6, 7];
var d = null;
var i = undefined;
// 使用Array.isArray()方法检测变量是否是数组,并输出;
console.log(Array.isArray(a));
console.log(Array.isArray(b));
console.log(Array.isArray(c));
console.log(Array.isArray(d));
console.log(Array.isArray(i));
</script>
</body>
</html>
1回答
好帮手慕久久
2022-09-17
同学你好,代码正确,很棒,祝学习愉快!
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