javascript

Js code to achieve the addition of favorites and compatible with mainstream browsers

//Join the collection
function AddFavorite(){
  if (document.all) {
  addToBookMark(window.location.href, document.title);
  } else if (window.sidebar) {
  addToBookMark(document.title, window.location.href);
  }
}

function addToBookMark(url,title){
 var ua = navigator.userAgent.toLowerCase();
 if(ua.indexOf("msie 8")>-1){
  external.AddToFavoritesBar(url,title);//IE8
 }else{
 try {
  window.external.addFavorite(url, title);
 } catch(e) {
   try {
      window.sidebar.addPanel(title, url);//firefox
     } catch(e) {
      alert(" Join collection failed, please use Ctrl+D add ");
     }
   }
 }
 return false;


}