hospital_filter.user.js

// ==UserScript==
// @name         hospital filter
// @version      1.0
// @description  
// @author       Nzxtime
// @include      *://www.leitstellenspiel.de/
// @include      *://www.leitstellenspiel.de/*
// @include      *://www.missionchief.com/*
// @include      *://www.missionchief.com/
// @include      *://www.meldkamerspel.com/*
// @include      *://www.meldkamerspel.com/
// @grant        none
// ==/UserScript==

(function ($) {
    'use strict';
    function filter() {
        $('.col-md-9 tbody > tr').each(function () {
            var el = $(this);
            var beds = parseInt(el.find('td:nth-child(3)').text().trim());
            var duty = el.find('td:nth-child(4)').text().trim();
            console.log(duty);
            var maxDuty = "40";
            var elegible = ((el.find(':nth-child(4)').text()
                    .trim().indexOf('%') === -1) ? el.find(
                        'td:nth-child(4)').text() : el.find(
                        ':nth-child(5)').text()).trim() === "Ja";

            if (beds < 1 || !elegible || (!(duty.charAt(0) <= maxDuty.charAt(0)) && !(duty === "Ja"))) {
                el.hide();
            } else {
                el.show();
            }
            
            if(arrow === "↓") el.show();
        });
    }

    var sprechwunsch = $('#h2_sprechwunsch');
    if (sprechwunsch.length > 0 && sprechwunsch.parent().text().indexOf("Krankenhaus") > 0) {
        filter();
    }

})(jQuery);