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首页 / 脚本样式 / JavaScript / js仿京东轮播效果 选项卡套选项卡使用

本文实例为大家分享了js仿京东轮播效果的具体代码,实现选项卡套用选项卡,供大家参考,具体内容如下
效果图:


代码:

<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>无标题文档</title><style>*{margin:0;padding:0;}ul{list-style:none;}img{border:0;}#tab{width:1000px;height:500px;margin:50px auto;}#tab .title {width:200px;height:500px;display:inline-block;}#tab .title li {width:200px;height:125px;float:left;line-height:125px;text-align:center;font-size:30px;background:#f1f1f1;border-bottom:1px dotted #000;}#tab .title li.active {background:#fff;}#tab .title li:hover{background:#fff;}#tab .content {width:799px;height:500px;float:right;display:inline-block;position:relative;border:none;border:none;}#tab .content img{position:absolute;top:0;left:0;width:799px;height:500px;}#tab .content ul {position:absolute;width:799px;height:45px;bottom:0;left:0;filter(alpha:80);opacity:0.8;background:#000;}#tab .content ul li {float:left;height:45px;line-height:45px;background:#d5d5d5;border-right:1px solid #fff;cursor:pointer;text-align:center;}#tab .content ul li.active {background:red;}#tab .content ul li:hover{background:red;}</style><script>window.onload = function () { var tab = document.getElementById("tab"); var title = tab.getElementsByClassName("title")[0]; var titleLi = title.getElementsByTagName("li"); var main = tab.getElementsByClassName("main")[0]; var img = main.getElementsByTagName("img")[0]; var ul = main.getElementsByTagName("ul")[0]; var subtitleLi = ul.getElementsByTagName("li"); var arr = [{ title : "最热团购", subtitle : ["最热团购1","最热团购2","最热团购3"], pic : ["img/tab/1-1.png","img/tab/1-2.png","img/tab/1-3.png" ]},{ title : "商城特惠", subtitle : ["商城特惠1","商城特惠2","商城特惠3","商城特惠4"], pic : ["img/tab/2-1.png","img/tab/2-2.png","img/tab/2-3.png","img/tab/2-4.png" ]},{ title : "名品推荐", subtitle : ["名品推荐1","名品推荐2","名品推荐3","名品推荐4","名品推荐5"], pic : ["img/tab/3-1.png","img/tab/3-2.png","img/tab/3-3.png","img/tab/3-4.png","img/tab/3-5.png" ]},{ title : "缤纷活动", subtitle : ["缤纷活动1","缤纷活动2","缤纷活动3","缤纷活动4"], pic : ["img/tab/4-1.png","img/tab/4-2.png","img/tab/4-3.png","img/tab/4-3.png", ]} ]; // 初始化 for ( var i = 0; i < arr.length; i++ ) {// 大选项卡的标题var oLi = document.createElement("li");oLi.innerHTML = arr[i].title;oLi.index = i;oLi.onclick = function () { highlight(this); ul.innerHTML = ""; changeTab(this.index);}title.appendChild(oLi); } changeTab(0); function changeTab(num) { // 大选项卡的内容img.src = arr[num].pic[1];// 小标题for ( var j = 0; j < arr[num].subtitle.length; j++ ) { oLi = document.createElement("li"); oLi.innerHTML = arr[num].subtitle[j]; oLi.style.width = Math.floor(parseInt(800 / arr[num].subtitle.length) - 2) + "px"; oLi.index = j; oLi.onclick = function () {highlight(this);this.parentNode.previousElementSibling.src = arr[num].pic[this.index]; } ul.appendChild(oLi);} } function highlight (ele) {var aLi = ele.parentNode.children;for ( var i = 0; i < aLi.length; i++ ){ aLi[i].className = "";}ele.className = "active"; }}</script></head><body><div id="tab"> <ul class="title"> </ul> <div class="content"><div class="main"> <img> <ul> </ul></div> </div></div></body></html>
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。