Reddit - Downvote comments

// ==UserScript==
// @name          So brave
// @namespace     http://userscripts.org/
// @author        Ron Paul
// @description    Downvotes galore.
// @match          http://*.reddit.com/*/comments/*
// @include          http://*.reddit.com/*/comments/*
// @version    1.0
// ==/UserScript==
(function(a, b, c, clickEvent) {
    clickEvent = document.createEvent("MouseEvents");
    clickEvent.initEvent("click", true, true);
    for (var i = 0, len = a.length; i < len; i += 1) {
        b = a[i].querySelector('.usertext');
        if (b.textContent.match(/\so brave\b/i)) {
            if (b.parentNode.parentNode.parentNode.parentNode.querySelector('.arrow.down')) {
                c.push(b.parentNode.parentNode.parentNode.parentNode.querySelector('.arrow.down'));
            };
        }
    }
        function downVote(e){e.dispatchEvent(clickEvent);};
    c.forEach(function(e,i){setTimeout(function(){downVote(e)},i*2000);});
})
(a = document.querySelectorAll('.comment'), b = {}, c = [], clickEvent="");