<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>✨✨✨✨✨✨</title>
<style>
.boss{
width: 80%;
height: 700px;
margin: auto;
background-color: #ddcc21;
text-align: center;
}
li{
list-style: none;
font-size: 30px;
padding: 15px;
display: inline-block;
}
.img{
width: 70%;
height: 500px;
border: 5px solid cyan;
margin:50px auto 0;
font-size: 40px;
text-align: center;
line-height: 500px;
}
img{
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<div class="boss">
<ul>
<li><a href="http://tupian.aladd.net/2014/6/37.jpg">图片1</a></li>
<li><a href="http://image.l99.com/401/1456924431713_wm6se2.jpg">图片2</a></li>
<li><a href="http://cdn.duitang.com/uploads/item/201512/06/20151206111919_xecNr.png">图片3</a></li>
</ul>
<div class="img"><img class="image"></div>
</div>
</body>
<script>
var btn = document.getElementsByTagName('a');
var img = document.getElementsByClassName('image')[0];
for (var i=0;i<btn.length;i++){
btn[i].onclick = function(event){
var add = this.getAttribute('href');
img.setAttribute('src',add);
return false;
// e.preventDefault();
}
}
</script>