代码：
function addFavorite(el){
var url = window.location.href,
title = $('head').find('title').html();
try{//IE
window.external.AddFavorite(url, title);
}catch(e){ //Firefox
try{
window.sidebar.addPanel(title,url,'');
}catch(e){
if(window.opera){ //opera
el.href = url;
el.title = title;
el.rel = 'sidebar';
}else{
alert('Sorry, your browser does not support this action, please bookmark this page manually by pressing Ctrl + D on PC or Cmd + D on Mac.');
}
}
}
}
支持IE、Firefox和opera。
调用方法：
<a href="javascript:addFavorite(this);">收藏</a>