document.oncontextmenu = function ()
{
return false
}自定義右鍵菜單 ：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>自定義右鍵菜單</title>
<style type="text/css">
body,ul,li{margin:0;padding:0;}
body{font:12px/24px arial;}
#menu{position:absolute;top:-9999px;left:-9999px;width:100px;border-radius:3px;list-style-type:none;border:1px solid #8f8f8f;padding:2px;background:#fff;}
#menu li{position:relative;height:24px;padding-left:24px;background:#eaead7;vertical-align:top;}
#menu li a{display:block;color:#333;background:#fff;padding-left:5px;text-decoration:none;}
#menu li.active{background:#999;}
#menu li.active a{color:#fff;background:#8f8f8f;}
#menu li em{position:absolute;top:0;left:0;width:24px;height:24px;background:url(img/ico.png) no-repeat;}
#menu li em.cur{background-position:0 0;}
#menu li em.copy{background-position:0 -24px;}
#menu li em.paste{background-position:0 -48px;}
</style>
<script type="text/javascript">
window.onload = function ()
{
var oMenu = document.getElementById("menu");
var aLi = oMenu.getElementsByTagName("li");
//加載後隱藏自定義右鍵菜單
oMenu.style.display = "none";
//菜單鼠標移入/移出樣式
for (i = 0; i < aLi.length; i++)
{
//鼠標移入樣式
aLi[i].onmouseover = function ()
{
this.className = "active"
};
//鼠標移出樣式
aLi[i].onmouseout = function ()
{
this.className = ""
}
}
//自定義菜單
document.oncontextmenu = function (event)
{
var event = event || window.event;
var style = oMenu.style;
style.display = "block";
style.top = event.clientY + "px";
style.left = event.clientX + "px";
return false;
};
//頁面點擊後自定義菜單消失
document.onclick = function ()
{
oMenu.style.display = "none"
}
};
</script>
</head>
<body>
<center>自定義右鍵菜單，請在頁面點擊右鍵查看效果。</center>
<ul id="menu">
<li><em class="cut"></em><a href="javascript:;">剪切</a></li>
<li><em class="copy"></em><a href="javascript:;">複製</a></li>
<li><em class="paste"></em><a href="javascript:;">粘貼</a></li>
</ul>
</body>
</html>