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js实现淘宝首页的banner栏效果

2019-12-03 18:37 1121 查看

本文实例为大家分享了js淘宝首页banner栏展示的具体代码,供大家参考,具体内容如下

<div class="bg clearfix">
<div class="title">
<a class="on" href="javascript:" >最热团购</a>
<a href="javascript:" >商城特惠</a>
<a href="javascript:" >名品推荐</a>
<a href="javascript:" >缤纷活动</a>
</div>
<ul>
<li class="active">
<img class="active" src="img/1.jpg" alt="">
<img src="img/2.jpg" alt="">
<img src="img/3.jpg" alt="">
<img src="img/4.jpg" alt="">
<h3>
<a class="hov" href="javascript:" >优惠1</a>
<a href="javascript:" >优惠2</a>
<a href="javascript:" >优惠3</a>
<a href="javascript:" >优惠4</a>
</h3>
</li>
<li >
<img class="active" src="img/2.jpg" alt="">
<img src="img/3.jpg" alt="">
<img src="img/4.jpg" alt="">
<img src="img/5.jpg" alt="">
<h3>
<a class="hov" href="javascript:" >优惠1</a>
<a href="javascript:" >优惠2</a>
<a href="javascript:" >优惠3</a>
<a href="javascript:" >优惠4</a>
</h3>
</li>
<li>
<img class="active" src="img/3.jpg" alt="">
<img src="img/4.jpg" alt="">
<img src="img/5.jpg" alt="">
<img src="img/6.jpg" alt="">
<h3>
<a class="hov" href="javascript:" >优惠1</a>
<a href="javascript:" >优惠2</a>
<a href="javascript:" >优惠3</a>
<a href="javascript:" >优惠4</a>
</h3>
</li>
<li >
<img class="active" src="img/6.jpg" alt="">
<img src="img/5.jpg" alt="">
<img src="img/4.jpg" alt="">
<h3>
<a class="hov" href="javascript:" >优惠1</a>
<a href="javascript:" >优惠2</a>
<a href="javascript:" >优惠3</a>
</h3>
</li>
</ul>
</div>

CSS:

@charset "UTF-8";
body{
font-size: 12px;
font-family: "宋体";
}
.clearfix:after { content: "."; display: block; clear: both; height: 0; overflow: hidden; visibility: hidden; }
.clearfix{zoom: 1;}
*{
padding: 0;
margin: 0;
}
img{
vertical-align: text-top;
}
ul li{
list-style: none;
}
a{
text-underline: none;
text-decoration: none;
color: #fff;
font-weight: bold;
}
.bg{
width: 850px;
margin: 0 auto;
height: 291px;
border: 1px solid #f2f2f2;
background: #fff;
}
.title{
display: flex;
flex-direction: column;
width: 100px;
height: 100%;
float: left;
}
.title>a{
width: 100%;
display: flex;
flex: auto;
justify-content: center;
align-items: center;
background: #ccc;
color: #000;
font-size: 16px;
border-bottom: 1px solid #fff;
text-align: center;
}
.title>a:last-of-type{
border-bottom:none ;
}
ul{
float: left;
}
ul li{
position: relative;
display: none;
}
ul>li>img{
display: none;
}
ul .active{
display: block;
}
ul>li>h3{
position: absolute;
width: 100%;
bottom: 0;
left: 0;
display: flex;

}
ul>li>h3>a{
flex: auto;
padding: 10px 0;
justify-content: center;
align-items: center;
text-align: center;
border-right: 1px solid #fff;
background: cornflowerblue;
}
ul>li>h3>a:last-of-type{
border-right: none;
}
.title .on{
background: #fff;
}
li>h3 .hov{
background: brown;
}

js:

<script>
window.οnlοad=function () {
var oLeft=document.getElementsByClassName("title")[0];
var oLefta=oLeft.getElementsByTagName("a");
var oUl=document.getElementsByTagName("ul")[0];
var oLi=oUl.getElementsByTagName("li");
for(var i=0;i<oLefta.length;i++){
oLefta[i].index=i;
e(oLi[i]);
oLefta[i].οnclick=function () {
var That=this;
for(var j=0;j<oLefta.length;j++){
oLefta[j].className='';
oLi[j].className='';
}
oLefta[That.index].className="on";
oLi[That.index].className="active";
}
}
function e(Li) {
var oLia=Li.getElementsByTagName('a');
var oImg=Li.getElementsByTagName("img");
for(var k=0;k<oLia.length;k++){
oLia[k].index=k;
oLia[k].οnclick=function () {
for(var z=0;z<oImg.length;z++){
oImg[z].className='';
oLia[z].className='';
}
oImg[this.index].className='active';
oLia[this.index].className='hov';
}

}

}
}
</script>

以上就是本文的全部内容,希望对大家的学习有所帮助

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标签:  js 淘宝 banner