Lee leeleoo

## js
Element.prototype.trigger = function(event_name){
    var event = document.createEvent('event')
    event.initEvent(event_name,true,true)
    this.dispatchEvent(event)
}
var elements = document.getElementsByClassName('controlBtn')
var current_btn = 0
var panel_container = document.createElement('div')
function optionFactor(el,index){

## index.html

<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>Document</title>
</head>
<body>
  <div id='div'></div>
</body>
</html>
	Element.prototype.trigger = function(event_name){
	var event = document.createEvent('event')
	event.initEvent(event_name,true,true)
	this.dispatchEvent(event)
	}
	var elements = document.getElementsByClassName('controlBtn')
	var current_btn = 0
	var panel_container = document.createElement('div')
	function optionFactor(el,index){

	<html lang="en">
	<head>
	<meta charset="UTF-8" />
	<title>Document</title>
	</head>
	<body>
	<div id='div'></div>
	</body>
	</html>