请老师检查作业
来源：3-13 编程练习
鱼档卖鱼
2022-05-17 14:33:56
<!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>
<style>
.cur {
color: red;
font-size: 50px;
}
</style>
</head>
<body>
<ul>
<li>HTML</li>
<li>CSS</li>
<li>JavaScript</li>
<li>jquery</li>
<li>HTML5</li>
<li>CSS3</li>
<li>ES6</li>
</ul>
<script>
let lis = document.querySelectorAll('ul li');
for (let i = 0; i < lis.length; i++) {
let result = lis[i].innerHTML;
lis[i].onmouseenter = function () {
lis[i].innerHTML += '我是第' + (i + 1) + '个';
lis[i].className = 'cur';
}
lis[i].onmouseleave = function () {
lis[i].innerHTML = result;
lis[i].className = '';
}
}
</script>
</body>
</html>
1回答
-
好帮手慕慕子
2022-05-17
同学你好，代码实现是正确的，继续加油，祝学习愉快~
0
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