<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>html</title>
<style type="text/css">
</style>
</head>
<body>
<h1>图片合集</h1>
<ul>
<li><a href="1.jpg" title="long">1</a></li>
<li><a href="2.jpg" title="long2">2</a></li>
<li><a href="3.jpg" title="buxiang">3</a></li>
<li><a href="5.jpg" title="shanshui">4</a></li>
</ul><img id="placeholder" src="10.jpeg" alt="tupian">
<script type="text/javascript" src="4.js"></script>
</body>
</html>
function showpic(whichpic){
var source=whichpic.getAttribute("href");
var placeholder=document.getElementById("placeholder");
placeholder.setAttribute("src",source);
}
橋本奈奈未