gistfile1.js

javascript:(function() {
  var count=0;
  var id=setInterval(function() {
    var evt=document.createEvent("MouseEvents");
    evt.initMouseEvent("click",true,true,window,0,0,0,0,0,false,false,false,false,0,null);
    document.getElementById("more").dispatchEvent(evt);
    if(++count > 300) {
      alert('end');
      clearInterval(id);
    }
  },2500);
})();