// ==UserScript==
// @name         New Userscript
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://de165.die-staemme.de/game.php?village=*&screen=am_farm*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    var win = typeof unsafeWindow != 'undefined' ? unsafeWindow : window;

var $ = win.$;
    let doc = document;
    // 8 9 10


    doc.addEventListener('keydown', function(e) {
        let index = 0
        if(e.keyCode == 89 || e.keyCode == 88 || e.keyCode == 67) {
            let row = $('#plunder_list').find('tr:visible')[2];

            switch(e.keyCode){
                case 89:
                    index = 8
console.log("A FARM");
                    break;
                case 88:
                                        index = 9
                console.log("B FARM");
                    break;
                case 67:
                                        index = 10
                console.log("C FARM");
                    break;

            }
            let td = row.getElementsByTagName('td')[index];
            let button = td.getElementsByTagName('a');
            button[0].click();

        }

}, false);

    // Your code here...
})();