油猴脚本示例

// ==UserScript==
// @name         all-in-one (remove ad in maofou.com, remove nav in xueqiu)
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  try to take over the world!
// @author       You
// @match        *://www.maofou.com/*
// @match        *://xueqiu.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    var docUrl = document.URL;
    if (docUrl.indexOf('://xueqiu.com/') > -1) {
        // document.getElementsByTagName('nav')[0].style.position='unset'
        document.getElementsByTagName('nav')[0].style.display='none'
    }
    if (docUrl.indexOf('://www.maofou.com/') > -1) {
        var tableList = document.getElementsByTagName('table');
        console.log('tableList,', tableList);
        for (var i = 0; i < tableList.length; i++) {
            var flag = tableList[i].outerHTML.startsWith('<table width="860" align="center">')
            if (flag) {
                tableList[i].style.display = 'none';
            }
        }
    }
})();