<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <link rel="stylesheet" href="css/index.css">
  <script src="js/index-banner.js"></script>
</head>
<body>
  <h3>javascript切換效果</h3>
  <section>
    <div class="baner_parent">
      <div class="will_left btn_left">
        <ul>
          <li data-i="0" class="selected js_btn"><img src="img/Ferrari.png"><span>法拉利</span></li>
          <li data-i="1" class="js_btn"><img src="img/Mercedes1.png"><span>奔馳</span></li>
          <li data-i="2" class="js_btn"><img src="img/BMW.png"><span>寶馬</span></li>
          <li data-i="3" class="js_btn"><img src="img/Audi.png"><span>奧迪</span></li>
        </ul>
      </div>
      <div class="will_left banner_right">
        <!--法拉利-->
        <div class="banner_lists">
          <img src="img/ferrari01.jpg" alt="">
          <ul>
            <li class="will_left btn selected">法拉利1</li>
            <li class="will_left btn">法拉利2</li>
            <li class="will_left btn">法拉利3</li>
            <li class="will_left btn">法拉利4</li>
          </ul>
        </div>
        <!--奔馳-->
        <div class="banner_lists">
          <img src="img/benchi01.jpg" alt="">
          <ul>
            <li class="will_left btn selected">奔馳1</li>
            <li class="will_left btn">奔馳2</li>
            <li class="will_left btn">奔馳3</li>
            <li class="will_left btn">奔馳4</li>
          </ul>
        </div>
        <!--寶馬-->
        <div class="banner_lists">
          <img src="img/baoma01.jpg" alt="">
          <ul>
            <li class="will_left btn selected">寶馬1</li>
            <li class="will_left btn">寶馬2</li>
            <li class="will_left btn">寶馬3</li>
            <li class="will_left btn">寶馬4</li>
          </ul>
        </div>
        <!--奧迪-->
        <div class="banner_lists">
          <img src="img/aodi01.jpg" alt="">
          <ul>
            <li class="will_left btn selected">奧迪1</li>
            <li class="will_left btn">奧迪2</li>
            <li class="will_left btn">奧迪3</li>
            <li class="will_left btn">奧迪4</li>
          </ul>
        </div>
      </div>
    </div>
  </section>
</body>
</html>

CSS

*{
  list-style: none;
  border:none;
  text-decoration: none;
  margin:0;
  padding:0;
  box-sizing: border-box;
}
h3{
  text-align: center;
  color: dimgrey;
}
.baner_parent{
  width: 1000px;
  margin:0 auto;
}
.will_left{
  float: left;
}
.will_right{
  float: right;
}
.btn_left ul li{
  text-align: center;
  width: 160px;
  height:98px;
  background-color: darkgrey;
  padding: 13px 0;
  cursor: pointer;
  -webkit-transition:all .5s ease-out;
  -moz-transition:all .5s ease-out;
  -o-transition:all .5s ease-out;
  -ms-transition:all .5s ease-out;
  transition:all .5s ease-out;
}
.btn_left ul li.selected{
  background-color: cornflowerblue;
}
.btn_left ul li:not(:nth-child(4)){
  border-bottom: 1px solid dimgrey;
}
.btn_left ul li img{
  width: 50px;
  height: 50px;
}
.btn_left ul li span{
  display:block;
}
.banner_right,.banner_lists img{
  width: 800px;
  height: 391px;
  position: relative;
}
.banner_lists{
  position: absolute;
  height: 391px;
}
.banner_lists:not(:nth-child(1)){
  display: none;
}
.banner_lists ul{
  overflow: hidden;
  position: absolute;
  bottom: 0;
  left: 0;
}
.btn{
  height: 33px;
  width: 200px;
  border-right: 1px solid #000;
  margin-top: -3px;
  text-align: center;
  line-height: 33px;
  background-color: darkgrey;
  opacity: .8;
  cursor: pointer;
  -webkit-transition:all .5s ease-out;
  -moz-transition:all .5s ease-out;
  -o-transition:all .5s ease-out;
  -ms-transition:all .5s ease-out;
  transition:all .5s ease-out;
}
.btn:hover,.btn.selected{
  background-color: cornflowerblue;
}

JS

/**
 * Created by Administrator on 2016/4/30 0030.
 * blog:wjf444128852.github.io
 *  不支持IE
 */
window.onload=function(){
  var arrFR = ['img/ferrari01.jpg','img/ferrari02.jpg','img/ferrari03.jpg','img/ferrari04.jpg'];
  var arrBC = ['img/benchi01.jpg','img/benchi02.jpg','img/benchi03.jpg','img/benchi04.jpg'];
  var arrBM = ['img/baoma01.jpg','img/baoma02.jpg','img/baoma03.jpg','img/baoma04.jpg'];
  var arrAD = ['img/aodi01.jpg','img/aodi02.jpg','img/aodi03.jpg','img/aodi04.jpg'];
  var array = [arrFR,arrBC,arrBM,arrAD];
  var btns=document.getElementsByClassName('js_btn');
  var divList=document.getElementsByClassName('banner_lists');
  // 品牌切換
  for(var i=0;i<btns.length;i++){
    btns[i].index=i;
    btns[i].onclick=showItems;
  }
  //ClassName切換,是否含有指定class
  function hasClass(elem,cls){
    return elem.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)'));
  }
  // 沒有就追加指定class
  function addClass(elem,cls){
    if(!hasClass(elem,cls)){
      elem.className+=" "+cls;
    }
  }
  // 有就移除指定class
  function removeClass(elem,cls){
    if(hasClass(elem,cls)){
      var reg=new RegExp('(\\s|^)'+cls+'(\\s|$)');
      elem.className=elem.className.replace(reg,"");
    }
  }
  //ClassName切換,移除所有
  function removeAll(obj){
    for (var i = 0; i < obj.length; i++) {
      removeClass(obj[i],"selected");
    }
  }
  // DIV顯示切換
   function showItems(){
     removeAll(btns);
     addClass(this,"selected");
     for (var s = 0; s< divList.length; s++) {
      divList[s].style.display="none";
      divList[this.index].style.display="block";    
    }
    willHover(this.index);
  }
  // 右邊切換按鈕效果
  function willHover(sum){
    var hoverbtns=divList[sum].getElementsByClassName('btn');
    var img=divList[sum].getElementsByTagName('img')[0];
    for (var i = 0; i < hoverbtns.length; i++) {
      hoverbtns[i].index=i;
      hoverbtns[i].onmouseover=function(){
        removeAll(hoverbtns);
         addClass(this,"selected");
        var imgSrc=array[sum][this.index];
        img.src=array[sum][this.index];
      }
    }
  }
  // 默認(rèn)第一次可以切換
  willHover(0);
};

以上這篇javascript的列表切換【實(shí)現(xiàn)代碼】就是小編分享給大家的全部內(nèi)容了，希望能給大家一個(gè)參考，也希望大家多多支持腳本之家。

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