老师这样对吗

来源：3-5 编程练习

咸鱼王派大星

2021-04-23 14:52:13

<!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>
        let data = [
            {
                age: 12,
                name: "张三"
            },
            {
                age: 20,
                name: "李四"
            }
        ]
        /*补充代码*/
        console.log(data.find(age => age.age === 20));
        console.log(data.findIndex(name => name.name === '李四'));
    </script>
</body>

</html>