欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  IT编程

简单实现js选项卡切换效果

程序员文章站 2023-08-19 18:17:30
本文实例为大家分享了js选项卡切换效果的具体代码,供大家参考,具体内容如下 实现思路: 1、首先获取id元素。 2、for循环历遍按钮元素添加onclick事...

本文实例为大家分享了js选项卡切换效果的具体代码,供大家参考,具体内容如下

实现思路:

1、首先获取id元素。
2、for循环历遍按钮元素添加onclick事件。
3、排他思想,点击按钮时设置所有选项卡按钮样式为空,利用this关键字指定当前选项卡获得高亮样式。
4、下面的多个div内容块以此类推。

源代码:

<!doctype html>
<html lang="en">
<head>
 <meta charset="utf-8">
 <title>简单的选项卡切换(仿hao123导航)</title>
</head>
<style>
 * {
  margin: 0;
  padding: 0;
 }
 .box {
  width: 278px;
  margin: 0 auto;
  margin-top: 100px;
  background-color: #f7f7f8;
  overflow: hidden;
 }
 .btn button {
  outline:none;
  color: #616161;
  font:14px/100% arial,"hiragino sans gb","hiragino sans gb w3",\5b8b\4f53;
  border: none;
  height: 34px;
  width: 51px;
  background-color: #f7f7f8;
  float: left;
  cursor: pointer;
 }
 .box .btn i {
  height: 16px;
  border-left: 1px solid #eaeaea;
  margin-top: 9px;
  float: left;
  _font-size: 0px;
 }
 .box .btn button:hover {
  color: #0aa770;
 }
 .box .btn s {
  cursor: pointer;
  text-decoration: none;
  font:14px/34px arial,"hiragino sans gb","hiragino sans gb w3",\5b8b\4f53;
 }
 #box1 #btns .clickbtn {
  border-top: 1px solid #0aa770;
  color: #0aa770;
 }
 .bottom {
  display: none;
  position: absolute;
  width: 278px;
  height: 110px;
  color: #fff;
  text-align: center;
  font:14px/100% arial,"hiragino sans gb","hiragino sans gb w3",\5b8b\4f53;
 }
 .bottom a {
  color: #fff;
  position: relative;
  top: -20px;
  left: 0px;
  text-decoration: none;
 }
 .bottom a:hover {
  text-decoration: underline;
 }
</style>
<script>
 window.onload = function(){
  var btns = document.getelementbyid("btns").getelementsbytagname("button");
  var divs = document.getelementbyid("bottomdivs").getelementsbytagname("div");
  btns[0].classname = "clickbtn";
   for(var i = 0;i<btns.length;i++){
    btns[i].index = i;
    btns[i].onclick = function(){
     //alert(this.index);
     for(var j = 0;j<btns.length;j++){
      btns[j].classname = "";
     }
     this.classname = "clickbtn";
     for(var b = 0;b<btns.length;b++){
      divs[b].style.display = "none";
     }
     divs[this.index].style.display = "block";

    }
  }
 }
</script>
<body>
<div class="box" id="box1">
 <div class="btn" id="btns">
  <button>推介</button>
  <i></i>
  <button>社会</button>
  <i></i>
  <button>娱乐</button>
  <i></i>
  <button>军事</button>
  <i></i>
  <button>体育</button>
  <s>+</s>
 </div>
 <div id="bottomdivs">
  <div class="bottom" style="display: block">
   <img src="images/01.jpg" alt="">
   <h4><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >小伙直播时遭遇“闹鬼”事件 全过程被拍下</a></h4>
  </div>
  <div class="bottom">
   <img src="images/02.jpg" alt="">
   <h4><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >男子穿新郎装背充气娃娃游街</a></h4>
  </div>
  <div class="bottom">
   <img src="images/03.jpg" alt="">
   <h4><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >她满足所有人对才女的幻想</a></h4>
  </div>
  <div class="bottom">
   <img src="images/04.jpg" alt="">
   <h4><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >王毅回应中美是否会在南海发生冲突</a></h4>
  </div>
  <div class="bottom">
   <img src="images/05.jpg" alt="">
   <h4><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >刘翔与娇妻秀恩爱 豪车曝光车牌太抢眼</a></h4>
  </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。