fb.js

var req = require('request');
var token = "CAACEdEose0cBALt29OZACfdSnS7NXBLwXsCjHihvZCMqgq1ELjMpPHGAvEhVUxpTsZBeaDnlUti3nP2jYpXR97KByMUDR9ZCZBaeTkyFeJxZBtSCXPdlrY2LANl8BIf88iCGdZB1MMZCY7S9RZCZBod4oVqDkltsXdjNSLzQgp18SzZCM6DV2kGe6kPZAKj2ZBlCIwfl6UA5OfARQ1QZDZD";

req.get('https://graph.facebook.com/v2.4/1429287964027842/members?access_token=' + token, function(err, data) {
	console.log(err)
    var arr = JSON.parse(data.body).data;
    arr.forEach(function(el, i) {
        SendInvite(el.id)
    });
});

var SendInvite = function(userid) {
    req.post(
        'https://graph.facebook.com/v2.4/1483618775203669/members?access_token=' + token, {
            "object": {
                "member": userid
            }
        },
        function(err, data) {
            console.log(err)
            console.log(data)
        })
}