简单的手写jquery轮播图（包含切换按钮、小圆点）

css代码

* {
   
    margin: 0;
    padding: 0;
}

.container {
   
    width: 800px;
    height: 400px;
    margin: 100px auto;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.container img {
   
    width: 800px;
    position: absolute;
    left: 0;
    top: 0;
    display: none;

}   
.container img:first-child{
   
    display: block;
}    
.arrow {
   
    width: 41px;
    height: 69px;
    background: url(../img/icon-slides.png) no-repeat;
    cursor: pointer;
}

.left-arrow {
   
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    background-position: -83px 0;  
}
.left-arrow:hover{
   
    background-position: 0 0;
}
.right-arrow {
   
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50