<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<script type="text/javascript">
window.onload = function () {
var div1 = document.getElementById("div1");
var ul1 = document.getElementById("ul1");
div1.oncontextmenu = function (event) {
event.preventDefault();
var left = (event.clientX+10)+"px";
var right = (event.clientY-15)+"px";
ul1.hidden = false;
ul1.style.left = left;
ul1.style.top = right;
}
window.onclick = function (event) {
ul1.hidden = true;
}
}
</script>
<style type="text/css">
ul {
list-style: none;
border: 1px red solid;
background: #00ff90;
position: absolute;
padding:2px;
}
li {
margin:20px 0px;
}
span {
margin:5px 10px;
display:block;
text-align:center;
}
</style>
</head>
<body>
<div style="width:100px;border:solid 1px blue" id="div1">点击我啊，菜鸡</div>
<ul hidden="hidden" id="ul1">
<li><span>新浪微博</span></li>
<li><span>QQ空间</span></li>
<li><span>QQ</span></li>
</ul>
</body>
</html>
原文：http://www.cnblogs.com/drafire/p/5528281.html