JS 图片的左右切换

图片的左右切换

  
  
  

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.slider {
  position: relative;
  width: 500px;
  height: 300px;
  overflow: hidden;
}

.slider img {
  width: 100%;
  height: auto;
  display: none;
}

.slider img.active {
  display: block;
}