请老师检查
来源:3-13 编程练习
Miracle___J
2022-02-24 17:26:35
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
.current {
color: red;
font-size: 18px;
}
</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 type="text/javascript">
//补充代码
let list = document.getElementsByTagName("li");
console.log(list);
for (let i = 0; i < list.length; i++) {
list[i].onmouseenter = function () {
list[i].className = "current";
}
list[i].onmouseleave = function () {
list[i].className = "";
}
}
</script>
</body>
</html>
1回答
同学你好,代码逻辑中缺少效果如下:

建议如下:

最终效果如下:

同学自己试试,祝学习愉快!