Add watchers count after the link of the git repository (https://github.com/user/repos/). Executed in the console of browser

Mark watchers count of git repos

var linksIterator=document.querySelectorAll("a[href^='http://github.com/'],a[href^='https://github.com']");
var links=[];

var callbackIndex = 0;

for (var i=0;i<linksIterator.length;++i) {
  linksIterator[i].addEventListener("mouseover", (function(link) { return function(e) {
          if ( link.watched ) return;
          link.watched = true;

          var url = /.*github\.com\/(.*?)\/(.*?)\/.*/.exec(link.href+"/");
         if (url)
         {
           var name = url[1], repo=url[2];
           var funcName = "callback"+callbackIndex;
           callbackIndex++;

           var theScript=document.createElement("script");

           window[funcName]=(function(link, theScript){
               return function( jsonObj) {
                 document.body.removeChild(theScript);
                 if ( jsonObj.meta.status !== 200 ) {
                   link.watched = false;
                   var textNode = document.createTextNode("(error["+jsonObj.meta.status+"]:"+jsonObj.data.message+")");
                   link.appendChild( textNode);
                   setTimeout(function(){
                       link.removeChild( textNode );
                   },3000);
                 } else {
                   link.appendChild(document.createTextNode("(watch:"+jsonObj.data.watchers+", forks:"+ jsonObj.data.forks +")"));
                 }

//                 window.xxx=jsonObj;
//                 console.log("url["+linkObj.href+ "]  len:"+jsonObj.data.watchers);
               }
           } )(link,  theScript);

           theScript.src="https://api.github.com/repos/"+ name +"/"+repo+"?callback="+funcName;
           document.body.appendChild(theScript);

         }


       };
 })(linksIterator[i]), false);
}