修改Google搜索引擎的链接颜色

tampermonkey

// ==UserScript==
// @name         New Userscript
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        *www.google.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

// if (window.location.href.indexOf("google") > -1) {
    //add jquery library
    var script = document.createElement('script');
    script.src = 'https://code.jquery.com/jquery-3.4.1.min.js';
    script.type = 'text/javascript';
    document.getElementsByTagName('head')[0].appendChild(script);

    setTimeout(function () {
        $('head').append('<style type="text/css">a:visited {color: red;}</style>');
    }, 1000);
// }

})();