[读码时间] 阻止右键菜单

说明：代码取自网络
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title>阻止右键菜单</title>
    <style>
        pre{
            color:green;
            padding:10px 15px;
            background:#f0f0f0;
            border:1px dotted #333;
            font:12px/1.5 Courier New;
        }
        span{
            color:#999;
        }
    </style>
    <script>
        document.oncontextmenu = function () {
            return false;
        }
    </script>
</head>
<body>
    <pre>
&lt;script type="text/javascript"&gt;
<span>//※oncontextmenu</span>
document.oncontextmenu = function ()
{
    return false
}
&lt;/script&gt;
</pre></body>
</html>