Auto-set over18 cookie and auto-click continue button
// ==UserScript==
// @name Old Reddit Over18 Auto
// @description Auto-set over18 cookie and auto-click continue button
// @author C89sd
// @namespace https://greasyfork.org/users/1376767
// @version 0.1
// @match https://old.reddit.com/*
// @noframes
// ==/UserScript==
document.cookie = 'over18=1;domain=.reddit.com;path=/;Max-Age=315360000';
if(location.href.startsWith('https://old.reddit.com/over18?'))
document.querySelector('.c-btn-primary[type="submit"][name="over18"][value="yes"]')?.click();