javascript - 在 HTML 中，当我将鼠标悬停到基本图像上时如何将新图像放置到基本图像中，以便两个图像并排显示

Question

<分区>

Answer 1

是这样的吗？

img {
  max-width: 100%;
}
.image {
  position: relative;
  display: inline-block;
  width: 300px;
}
.image .dialog-image {
  opacity: 0;
  transition: opacity 300ms;
  position: absolute;
  top: 0;
  right: 10px;
  width: 100px;
}
.image:hover .dialog-image {
  opacity: 1;
}

<div class="image">
  <img src="http://www.jamiesale-cartoonist.com/wp-content/uploads/cartoon-duck-free.png" alt="">
  <div class="dialog-image">
    <img src="https://d30y9cdsu7xlg0.cloudfront.net/png/23875-200.png" alt="">
  </div>
</div>