shadofx / Make Birthday Hat transparent on 4chan

// ==UserScript==
// @name         Make Birthday Hat transparent on 4chan
// @namespace    https://openuserjs.org/scripts/shadofx
// @version      0
// @description  If you're feeling festive but still want to see the image
// @match        https://boards.4chan.org/*
// @copyright 2018, shadofx (https://openuserjs.org//users/shadofx)
// @updateURL https://openuserjs.org/meta/shadofx/Make_Birthday_Hat_transparent_on_4chan.meta.js
// @grant        none
// @license MIT
// ==/UserScript==
// ==OpenUserJS==
// @author       shadofx
// ==/OpenUserJS==
let date = new Date().toJSON().slice(5,10)
if(date == "09-30" ||date == "10-01" || date == "10-02")
{
    document.querySelectorAll('img[src*="//s.4cdn.org/image/partyhat.gif"]').forEach((c)=>c.style="opacity:.2")
}