<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        form {
            background: #ffffff;
        }
    </style>
</head>
<body>
<a href=# onclick="javascript:addFavorite2()">加入收藏</a>
<script>
    function addFavorite2() {
        var url = window.location;
        var title = document.title;
        var ua = navigator.userAgent.toLowerCase();
        if (ua.indexOf("360se") > -1) {
            alert("由于360浏览器功能限制，请按 Ctrl+D 手动收藏！");
        }
        else if (ua.indexOf("msie 8") > -1) {
            window.external.AddToFavoritesBar(url, title); //IE8
        }
        else if (document.all) {
            try{
                window.external.addFavorite(url, title);
            }catch(e){
                alert('您的浏览器不支持,请按 Ctrl+D 手动收藏!');
            }
        }
        else if (window.sidebar) {
            window.sidebar.addPanel(title, url, "");
        }
        else {
            alert('您的浏览器不支持,请按 Ctrl+D 手动收藏!');
        }
    }
</script>

</body>


</html>