请老师检查作业
来源：3-9 Map的应用
鱼档卖鱼
2022-05-20 16:41:45
<!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>
<p>1</p>
<p>2</p>
<p>3</p>
<script>
let [p1, p2, p3] = document.querySelectorAll('p');
let m1 = new Map([
['color', 'red'],
['backgroundColor', 'yellow'],
['fontSize', '40px']]);
let m2 = new Map([
['color', 'green'],
['backgroundColor', 'yellow'],
['fontSize', '40px']]);
let m3 = new Map([
['color', 'blue'],
['backgroundColor', 'yellow'],
['fontSize', '40px']]);
let m = new Map([
[p1, m1],
[p2, m2],
[p3, m3],
]);
m.forEach(function (pObj, elem) {
pObj.forEach(function(sty,value) {
elem.style[value]=sty;
})
})
</script>
</body>
</html>
1回答
-
好帮手慕久久
2022-05-20
同学你好，代码正确，很棒，祝学习愉快！
0
