// ==UserScript==
// @name         MioBt去广告
// @namespace    http://tampermonkey.net/
// @version      1.0.4
// @description  MioBT去除页面广告
// @author       montaro2014
// @license      MIT
// @match        http://www.miobt.com/*
// @match        https://www.miobt.com/*
// @icon         https://www.google.com/s2/favicons?domain=miobt.com
// @grant        GM_addStyle
// @downloadURL none
// ==/UserScript==
(function () {

    function hideAd() {
        GM_addStyle(".clear.text_center:nth-first{display:none;}");
    }

    hideAd();

    var querySelector = document.querySelector;
    var querySelectorAll = document.querySelectorAll;

    function removeAd() {
        var selectors = [
            ".gg_canvas",
            ".c1 .box:nth-child(2)",
            ".c1 .box:nth-child(2)",
            ".c1 .box:nth-child(2)",
            ".c1 .box:nth-child(2)"
        ];
        for (var selector of selectors) {
            removeBySelector(selector);
        }
    }
    var target = document.body;
    var observer = new MutationObserver(function (e) {
        removeAd(e);
    });
    var observerConfig = {
        childList: true,
        subtree: true
    }
    observer.observe(target, observerConfig);

    function removeBySelector(selector) {
        var doms = querySelectorAll.call(document, selector);
        if (doms.length > 0) {
            for (var dom of doms) {
                dom && dom.remove();
            }
        }
    }
    window.addEventListener("DOMContentLoaded", function () {
        removeAd();
    })
    window.addEventListener("scroll", function () {
        removeAd();
    })
    removeAd();

})();