<!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>
*{
margin: 0px;
padding: 0px;
}
header{
width: 1000px;
height: 500px;
border: 1px solid black;
margin: auto;
}
#we{
border: 1px solid black;
}
#lp{
display: flex;
list-style: none;
}
#lp>li{
flex: 1;
border: 1px solid black;
height: 50px;
text-align: center;
line-height: 50px;
}
nav{
width: 100%;
height: 450px;
border: 1px solid red;
position: relative;
}
nav>div{
width: 100%;
height: 450px;
position: absolute;
text-align: center;
line-height: 450px;
opacity: 0;
transition: 1s;
}
.bhu{
color: white;
background-color: red;
font-weight: 700;
transition: 0.5s;
}
.mko{
transition: 1s;
opacity: 0;
}
.mk1{
transition: 1s;
opacity: 1;
}
</style>
</head>
<body>
<header>
<div id="#we">
<ul id="lp">
<li>商品介绍</li>
<li>规格与包装</li>
<li>商品评价</li>
<li>手机社区</li>
</ul>
</div>
<nav id="cvb">
<div class="mk1">商品介绍1111</div>
<div>规格与包装5555</div>
<div>商品评价(555555)</div>
<div>手机社区(asdasd)</div>
</nav>
</header>
<script>
var v1=document.getElementById('lp').querySelectorAll('li')
var koko=document.querySelector('nav').querySelectorAll('div')
for (var i1=0;i1<v1.length;i1++){
v1[i1].setAttribute('lplp',i1) //循环自定义元素
v1[i1].onclick = function () {
for (var i=0 ;i<v1.length;i++){
v1[i].className='' ////取消调其他所有的的类属性
}
this.className='bhu' //留下自己类属性
var c=this.getAttribute('lplp'); //获取自定以的值
for (var i2=0 ;i2<v1.length;i2++){ //取消调其他所有的的类属性
koko[i2].className='mko'
}
koko[c].className='mk1' //
}
}
</script>
</body>
</html>
