Computer Evolution automation

bot.js

window.bot = function() {
	let bot = {};
	
	bot.init = function init() {
		let selectButton = document.createElement('button')
		,	selectEl = document.createElement('select');
		
		initElements();	
		appendBody();
		addEvents();
		
		console.log('Init done');
		
		function appendBody() {
			document.body.appendChild(bot.selectButton);
			document.body.appendChild(bot.selectEl);
		}
		
		function addEvents() {
			document.addEventListener('keydown', triggerHandler);
			selectButton.addEventListener('click', updateHandler);
		}
		
		function initElements() {
			selectButton.textContent = 'Update select';
			
			bot.startHandler = startHandler;
			bot.stopHandler = stopHandler;
			bot.triggerHandler = triggerHandler;
			bot.selectButton = selectButton;
			bot.selectEl = selectEl;
		}
		
		function initSelect() {
			let apps = document.getElementById('programs').children;
			for (let i = 0; i < apps.length - 1; ++i) {
				let app = apps[i]
				,	id = app.attributes.onclick.value
				,	name = app.children[4].innerHTML;
				
				id = parseInt(id.substr(8, id.length - 9));
				
				let option = document.createElement('option');
				option.value = id;
				option.innerHTML = name;
				selectEl.appendChild(option);
			}
		}
		
		function stopHandler() {
			clearInterval(bot.timer);
			bot.timer = null;
		}
		
		function startHandler() {
			stopHandler();
			let value = parseInt(selectEl.options[selectEl.selectedIndex].value);
			bot.timer = setInterval(app.run, 50, value);
		}
		
		function triggerHandler(e) {
			if (e.key === 's') {
				bot.timer ? stopHandler() : startHandler();
			}
			else if (e.key == 'u') {
				updateHandler();
			}
		}
		
		function updateHandler() {
			selectEl.innerHTML = null;
			initSelect();
		}
	}
	
	return bot;
}();
window.bot.init();

This is automation script for https://www.kongregate.com/games/joao8991/computer-evolution

Press u to update apps list and s to start/stop autoclicking.