图片动态化

1. html

<div class="image-gif"></div>

2. css

<style type="text/css">

.image-gif {

width: 200px;

height: 300px;

background: url(image-gif.jpg);

background-position: 0px 0px;

}

</style>

3. js

<script>

var imageGif = document.querySelector(".image-gif");

var left = 0,

pos;

setInterval(function () {

left = left == 1600 ? 0 : left + 200;

pos = -left + "px 0px";

imageGif.style.backgroundPosition = pos;

}, 100);

</script>

CSS background-position 属性