andrew.y0ufacebook.com / Mark all email Google Inbox

// ==UserScript==
// @name         Mark all email Google Inbox
// @namespace    facebook.com/andrew.y0u
// @version      0.1
// @description  Mark all email Google Inbox (Use "Mark" every 50 emails, don't open all at once = this causes hang (need to wait before the script processes all emails)
// @author       andrew y0u
// @grant        none
// @match        https://inbox.google.com/*
// @require      https://code.jquery.com/jquery-2.2.2.min.js
// @updateURL    https://openuserjs.org/meta/andrew.y0ufacebook.com/Mark_all_email_Google_Inbox.meta.js
// ==/UserScript==

(function() {
    'use strict';
    $('body').append('<div style="padding: 10px 15px; background: #000; position: fixed; right: 0px; top: 100px; color: #fff;" id="DELETE-MAIL">MARK</div>');
    $('#DELETE-MAIL').click(function(){
        var checkbox = $('div[aria-checked="false"]');
        checkbox.each(function(){
           $(this).trigger('click');
        });
    });
})();