This is the poison that is Facebook Wower.
// ==UserScript==
// @name Facebook Wower
// @namespace facebookWow
// @version 0.1
// @description This is the poison that is Facebook Wower.
// @author William Nielsen
// @match http*://www.facebook.com/*
// @run-at document-end
// @grant none
// ==/UserScript==
/* jshint -W097 */
'use strict';
function scanForPosts(){
var likeList = document.querySelectorAll('[data-testid="fb-ufi-likelink"]') ;
for( var i = 0; i < likeList.length; i++ ){
var a = likeList[i].parentElement.querySelector('[aria-label="Wow"]');
if( a ){
console.log('Wowed a post: ' + i);
a.setAttribute('aria-pressed', 'true');
a.click();
}else{
console.log("a is null");
}
}
}
document.addEventListener("keyup", scanForPosts);