请老师检查

来源：3-10 编程练习

慕数据4158169

2021-03-23 19:52:15

相关代码：

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <p>1</p>
    <p>2</p>
    <p>3</p>
    <script>
        const [p1, p2, p3] = document.querySelectorAll('p')

        const m = new Map([
            [
                p1,
                new Map([['color','red'],['backgroundColor','yellow'],['fontSize','40px']])                
            ],
            [
                p2,
                new Map([['color','green'],['backgroundColor','pink'],['fontSize','40px']])                
            ],
            [
                p3,
                new Map([['color','blue'],['backgroundColor','orange'],['fontSize','40px']])
            ]
        ]);

        m.forEach((propObj, elem) => {
            propObj.forEach((value,key) => {
                elem.style [key] = value;
            })
        });


        // 在此补充代码
    </script>
</body>

</html>