js实现IE/Firefox的收藏功能

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>