TAB切换
效果展示
代码如下
<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>
ul,
li,
ol {
list-style: none;
margin: 0;
padding: 0;
}
ul {
height: 40px;
width: 300px;
/* border: 1px solid #000; */
}
ul>li {
height: 40px;
width: 150px;
border: 1px solid rgb(228, 27, 27);
float: left;
box-sizing: border-box;
text-align: center;
line-height: 40px;
}
ul>li.current {
background-color: aqua;
}
ol {
height: 250px;
width: 300px;
/* border: 1px solid #000; */
}
ol li {
display: none;
height: 250px;
width: 300px;
position: absolute;
border: 1px solid #000;
border-top: 1px solid transparent;
box-sizing: border-box;
}
ol>li.current {
display: block;
}
</style>
</head>
<body>
<div class="box">
<ul>
<li class='current'>馒头</li>
<li>海鲜</li>
</ul>
<ol>
<li class="current">今天是月末真的很爱只能吃馒头</li>
<li>很爱啊发工资了下班去吃海鲜</li>
</ol>
</div>
<script>
var oUpList = document.querySelectorAll('ul>li');
var oDownList = document.querySelectorAll('ol>li');
//遍历给上面的li绑定事件
for (var i = 0; i < oUpList.length; i++ ) {
oUpList[i].tempIndex = i;//先藏值;
oUpList[i].onclick = function () {
var index = this.tempIndex
for (var j = 0; j < oUpList.length; j++) {
oUpList[j].className = j == index ? 'current' : '';
oDownList[j].className = j == index ? 'current' : '';
}
}
}
</script>
</body>
</html>
