Felicity_FB_page_all_friends_inviter.js

;(function() {
var SCROLL_HEIGHT = 1e20;

function final_greeting() {
    alert("Share this to make Felicity Awesome!");
}

function scrollToBottom(el, cb) {
    // Scroll to the bottom of target el
    var x = setInterval(function() {
        console.log('Scrolling to bottom!');
        var isScrolledToBottom = el.scrollHeight - el.clientHeight <= el.scrollTop + 1;
        el.scrollTop = SCROLL_HEIGHT;
        if (isScrolledToBottom) {
            clearInterval(x);
            if (cb && typeof cb === 'function') cb();
        }
    }, 1000);
}

function invite() {
    var invite_links = document.getElementsByClassName('_39g5'),
        invite_link;
    for (var i = 0; i < invite_links.length; i++) {
        if (invite_links[i].innerHTML.indexOf('Invite friends to like') > 0) {
            invite_link = invite_links[i].getElementsByTagName('div')[0];
        }
    }
    if (invite_link === undefined) {
        alert("Unable to find invite link!")
        return;
    }
    invite_link.click();
    var checker = setInterval(function() {
        var form = document.getElementsByClassName('_s');
        if (form && form.length) {
            form = form[0];
            var listView = form.getElementsByClassName('listView clearfix');
            var li = form.getElementsByClassName('fbProfileBrowserListItem');
            if (listView.length && li.length) {
                clearInterval(checker);
                setTimeout(function() {
                    var box = document.getElementsByClassName('fbProfileBrowserResult scrollable threeColumns hideSummary')[0];
                    scrollToBottom(box, function() {
                        console.log('Invite started!');
                        var a = document.getElementsByClassName('uiButton _1sm'),
                            i = 0;
                        var x = setInterval(function(){if(i>=a.length){clearInterval(x); final_greeting();} else { a[i].click(); i++;}}, 50);
                    });
                }, 5000);
                return;
            }
        }
        console.log('Skipping');
    }, 1000);
}
invite();
})();

How to run the script

1. Go to Felicity page and open the console (by typing F12).
2. Paste the script in the console and press enter.

Share this script to make felicity more awesome 😄
#FelicityIsComing