<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
*{
padding: 0;
margin: 0;
}
body{
background-image: url("image/1.jpg");
}
div{
margin-top: 10px;
padding-top: 50px;
height: 150px;
text-align: center;
background: rgba(255,255,255,0.3);
}
img{
150px;
margin: 0 10px;
cursor: pointer;
}
</style>
</head>
<body>
<div>
<img src="image/1.jpg">
<img src="image/2.jpg">
<img src="image/3.jpg">
<img src="image/4.jpg">
<img src="image/5.jpg">
</div>
<script>
var imgArr=document.getElementsByTagName("img");
for (var i = 0; i < imgArr.length; i++) {
imgArr[i].onclick=function () {
document.body.style.backgroundImage="url("+this.src+")";
}
}
</script>
</body>
</html>
