Felicity_FB_Event_All_Friends_Inviter.js

Felicity_FB_Event_All_Friends_Inviter.js

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

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 sendInvitations() {
    var button = document.getElementsByClassName('layerConfirm');
    for (var i = 0; i < button.length; i++) {
        if (button[i].innerHTML.indexOf('nvitations') > -1) {
            button[i].click();
            setTimeout(function() {
                alert("Thanks for making Felicity Awesome!");
            }, 400);
            return;
        }
    }
}

var form = document.getElementsByClassName('_s');
if (form && form.length) {
    form = form[0];
    var listView = form.getElementsByClassName('scrollable');
    for (var i = 0; i < listView.length; i++) {
        var x = listView[i].innerHTML.match(/Friends \([0-9]+\)/ig);
        if (x !== null) {
            console.log('Found listView:', i);
            listView = listView[i];
            break;
        }
    }
    var box = listView.closest('.uiScrollableAreaWrap.scrollable');
    if (box) {
        setTimeout(function() {
            scrollToBottom(box, function() {
                var MAX_INVITES = 400;
                var friendsList = document.getElementsByClassName('_1pt_ _1pu0');
                var i = 0;
                var x = setInterval(function() {
                    if (i > friendsList.length || i > MAX_INVITES) {
                        clearInterval(x);
                        sendInvitations();
                    } else {
                        if (friendsList[i].innerHTML.indexOf('invited') === -1) {
                            friendsList[i].click();
                        }
                        i++;
                    }
                }, 50);
            });
        }, 1000);
    }
}
})();

Procedure to run the above script:

1. Open the event page for which you want to send the invites.
2. Click on the Share button, and then Invite Friends, looks like this:
   
3. A dialogue box will appear where you need to select All friends
4. Now open the console (usually by pressing F12) and paste the above script
5. If you are unable to paste the above script, type allow pasting in the console and press enter.
6. Run the script and enjoy!!