Facebook: Invite your friends to like a Page

FacebookPageInvite.js

var list = document.getElementsByClassName('lists')[0];

var min = 500; // ms
var max = 1500; // ms
var time = min;
var interval;
var timeout;
var invited = 0;
var limit = 999;
var stop = false;

function getRandomInt(min, max)
{
    min = Math.ceil(min);
    max = Math.floor(max);

    return Math.floor(Math.random() * (max - min)) + min;
}

function inviteFriend()
{
    timeout = setTimeout(function () {

        if (stop == true) {
            console.log('Stopped!');
            return;
        }

        var friends = list.querySelectorAll('.fbProfileBrowserListItem:not(._1so) .uiButton');
        var total = list.querySelectorAll('.fbProfileBrowserListItem').length;

        console.clear();        
        console.log('Friends loaded: ' + total);
        console.log('Invited: ' + invited);

        if (friends.length > 0) {

            time = getRandomInt(min, max);
    
            invited++;
            friends[0].click();
            
            if (invited > limit)
            {
                clearInterval(interval);
                console.log('You\'ve reached on the limit of ' + limit + ' invites. Please, try again tomorrow to prevent you get blocked by Facebook to invite other friends.');
                stop = true;
            }
        }

        inviteFriend();

    }, time);
}

function start()
{
    inviteFriend();

    var container = document.getElementsByClassName('fbProfileBrowserResult')[0];
    var last = null;

    interval = setInterval(function () {

        if (stop == true) {
            clearInterval(interval);
            console.log('Stopped!');
            return;
        }
    
        if (last == null || container.scrollTop != last)
        {
            last = container.scrollTop;
            container.scrollTop += 50;
        }
        else
        {
            clearInterval(interval);
            console.log('The scroll reached the end of the bottom.');

            if (list.querySelectorAll('.fbProfileBrowserListItem:not(._1so) .uiButton').length == 0) {
                stop = true;
            }
        }
        
    }, 50);
}

start();