JavaScript实现六种网页图片轮播效果详解

    
    
    
    
    



    
轮播图
    

        
        

            

            

            

            

            

        
        
        
        
        
        

            
            

            

            

            

            

        
    
    

学习如何实现

    
    
    
    
    


    

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*{
    margin: 0;
    padding: 0;
}
li{
    list-style: none;
}
.box{
    position: relative;
    overflow: hidden;
    margin: 100px auto;
    width: 520px;
    height: 280px;
    background-color: red;
}
.jiantou{
    font-size: 24px;
    text-decoration: none;
    display: block;
    text-align: center;
    width: 20px;
    height: 30px;
    line-height: 30px;
    background: rgba(158, 154, 154, 0.7);
    color: white;
    z-index: 999;
}
.left{
    position: absolute;
    top: 125px;
    left: 0px;
    border-top-right-radius: 15px;
    border-bottom-right-radius: 15px;
}
.right{
    position: absolute;
    top:125px;
    left: 500px;
    border-top-left-radius: 15px;
    border-bottom-left-radius: 15px;
}
img{
    width: 520px;
    height: 280px;
}
.box .pic{
    width: 600%;
}
.pic li {
    float: left;
}
.lis{
   position: absolute;
   bottom: 15px;
   left: 50%;
   margin-left: -35px;
   width: 70px;
   height:13px;
   border-radius: 7px; 
   background: rgba(158, 154, 154, 0.7);
}
.lis li {
    float: left;
    width: 8px;
    height: 8px;
    margin: 3px;
    border-radius: 50%;
    background-color: #fff;
   
}
.lis .selected{
    background-color: cyan;
}

window.addEventListener('load',function(){
    var left = document.querySelector('.left');
    var right = document.querySelector('.right');
    var box = document.querySelector('.box');
    box.addEventListener('mouseenter',function(){
        left.style.display = 'block';
        right.style.display = 'block';
    })
    box.addEventListener('mouseleave',function(){
        left.style.display = 'none';
        right.style.display = 'none';
    })
    var pic = document.querySelector('.pic');
    var lis = document.querySelector('.lis');
    var boxWidth = box.offsetWidth;
    for(var i = 0;i

来源 ： JavaScript实现六种网页图片轮播效果详解_javascript技巧_脚本之家