06changeColor.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<ul>
<li>aaaaa</li>
<li>bbbbb</li>
<li>ccccc</li>
<li>ddddd</li>
<li>eeeee</li>
</ul>
<script>
// 隔行变色和高亮显示
var lis = document.getElementsByTagName("li");
var color = "";
// 循环设置每个li颜色
/*
for(var i=0; i<lis.length; i++) {
if(i%2===0) {
lis[i].style.backgroundColor = "red"; // 行内样式
} else {
lis[i].style.backgroundColor = "blue";
}
// 给每个li注册事件
lis[i].onmouseover = function() {
color = this.style.backgroundColor;
// 让当前li背景色变绿
this.style.backgroundColor = "green";
}
lis[i].onmouseout = function() {
// 鼠标离开 让当前li背景色还原
this.style.backgroundColor = color;
}
}
*/
</script>
</body>
</html>
代码书写方式
原文地址：https://www.cnblogs.com/HiJackykun/p/11093663.html
时间： 2024-08-30 11:38:51