请老师检查

来源：3-10 编程练习

慕妹4337267

2021-01-17 00:35:36

<!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']])

    ],
  ]);

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

  });


    // 在此补充代码
</script>
</body>

</html>