MD Mark All Chapters Read

OBSOLETE!! Mark all visible chapters read. If there are too many chapters for one page you will need to do each page separately.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         MD Mark All Chapters Read
// @namespace    ultrabenosaurus.MangaDex
// @version      0.5
// @description  OBSOLETE!! Mark all visible chapters read. If there are too many chapters for one page you will need to do each page separately.
// @author       Ultrabenosaurus
// @license      GNU AGPLv3
// @source       https://greasyfork.org/en/users/437117-ultrabenosaurus?sort=name
// @match        https://mangadex.org/title/*
// @icon         https://www.google.com/s2/favicons?domain=mangadex.org
// @grant        none
// ==/UserScript==


(function() {
    'use strict';

    if(document.querySelectorAll('span.chapter_mark_read_button.grey').length!=0&&document.querySelectorAll('div.btn-group button.btn.dropdown-toggle span.fa-eye').length!=0){
        //UBaddMarkAllButton();
    }
})();

function UBaddMarkAllButton(){
    var mrElem = '<button class="btn btn-secondary" id="UBmarkAll"><span class="fas fa-eye fa-fw " aria-hidden="true" title="Mark All Read"></span> <span class="d-none d-xl-inline">Mark read</span></button>';
    document.querySelectorAll('button.btn.btn-warning.float-right[data-target="#manga_report_modal"]')[0].insertAdjacentHTML("beforebegin", mrElem);

    var mrBtn = document.getElementById('UBmarkAll');
    if(mrBtn){
        mrBtn.addEventListener("click", UBmarkAll, false);
    }
}

function UBremoveMarkAllButton(){
    document.getElementById('UBmarkAll').removeEventListener("click", UBmarkAll);
    document.getElementById('UBmarkAll').remove();
}

function UBmarkAll(){
    var chaps=document.querySelectorAll('span.chapter_mark_read_button.grey');
    for (var chap in chaps) {
        if (chaps.hasOwnProperty(chap)) {
            chaps[chap].click();
        }
    }
    UBremoveMarkAllButton();
}