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tab.html
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tab.html
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<!DOCTYPE html>
<html lang="zh">
<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>tab</title>
<style type="text/css">
*{padding: 0;margin: 0;}
.tab{border: 1px solid salmon;}
.tab-title{display: flex;}
.tab-title li{flex: 1;text-align: center;list-style: none;background: #efefef;padding: 15px;border-right: 1px solid #EFEFEF;}
.tab-title li:last-child{
border: none;
}
.tab-title li.active{
background: #FA8072;
color: #FFF;
}
.tab-con li{
display: none;
padding: 20px;
box-sizing: border-box;
}
.tab-con li.active{
display: block;
}
.tab2{border: 1px solid salmon;margin-top: 20px;}
</style>
</head>
<body>
<div class="tab">
<ul class="tab-title">
<li>A</li>
<li>B</li>
<li>C</li>
</ul>
<ul class="tab-con">
<li>a-con</li>
<li>b-con</li>
<li>c-con</li>
</ul>
</div>
<div class="tab2">
<ul class="tab-title">
<li>A</li>
<li>B</li>
<li>C</li>
</ul>
<ul class="tab-con">
<li>a-con</li>
<li>b-con</li>
<li>c-con</li>
</ul>
</div>
<script type="text/javascript">
!function (){
var Tab = function(option) {
var defaults = {
el : 'tab',
beginIndex : 0,
autoPlay : 0,
}
this.option = Object.assign(defaults,option);
this.init()
}
Tab.prototype = {
init:function(){
var tab = document.querySelector(`.${this.option.el}`)
this.title = tab.querySelectorAll('.tab-title li');
this.con = tab.querySelectorAll('.tab-con li');
//初始值
this.title[this.option.beginIndex].classList.add('active');
this.con[this.option.beginIndex].classList.add('active')
//绑定触发事件
this.bindEvent()
//自动轮播触发
this.option.autoPlay == 0 ? '' : this.autoPlay()
},
//绑定click触发
bindEvent:function() {
let self = this
for(let i in this.title){
this.title[i].onclick = function(){
self.option.beginIndex = i
self.handle()
}
}
},
//自动轮播
autoPlay:function() {
let self = this
let title = this.title;
setInterval(function (){
let beginIndex = self.option.beginIndex
if(beginIndex < (title.length - 1)){
self.option.beginIndex ++
self.handle()
}else{
self.option.beginIndex = 0
self.handle()
}
},this.option.autoPlay)
},
//处理切换显示
handle:function(){
var title = this.title
var index = this.option.beginIndex
for(let i=0;i<title.length;i++){
if(this.title[i].classList.contains('active')) {
this.title[i].classList.remove('active')
this.con[i].classList.remove('active')
}
}
this.title[index].classList.add('active')
this.con[index].classList.add('active')
}
}
window.Tab = Tab
}()
var tab1 = new Tab({
el:'tab',
})
var tab1 = new Tab({
el:'tab2',
beginIndex:2,
autoPlay:1500,
})
</script>
</body>
</html>