Modified event listener for MVT and tagging

<button id="btn">Click Me</button>

<select>
	<option>Option 1</option>
	<option>Option 2</option>
	<option>Option 3</option>
</select>

<button id="select">Select</button>

<script>

	function AoEventListener(target, event, callback, capture) {

	    if (!(target instanceof HTMLElement)) {
        	throw new Error("target not a html element");
	    }
	    if (typeof event !== "string") {
	        throw new Error("event must be a string");
	    }
	    if (typeof callback !== "function") {
	        throw new Error("callback must be a function");
	    }

	    this.event = event;
	    this.target= target;
	    this.capture = typeof capture === "undefined" ? false : capture;
	    this.taggingCallback = function() {};
	    this.mvtCallback = function() {};
	    this.allowDefault = true;	    
	    
	    this.evtCallback = function() {
	    	if(this.allowDefault){
	    		callback();
	    	}
	    	this.mvtCallback();
	    	this.taggingCallback();
	    }.bind(this);

	    this.target.addEventListener(this.event, this.evtCallback, this.capture);

	}

	AoEventListener.prototype.remove = function() {
		this.target.removeEventListener(this.event, this.evtCallback, this.capture);	
	};

	AoEventListener.prototype.mvtCallback = function(cb) {
	    if (typeof cb !== "function") {
	        throw new Error("MVT callback must be a function");
	    }
	    this.mvtCallback = cb;
	};

	AoEventListener.prototype.taggingCallback = function(cb) {
	    if (typeof cb !== "function") {
	        throw new Error("MVT callback must be a function");
	    }
	    this.taggingCallback = cb;
	};

	AoEventListener.prototype.allowDefault = function(allow) {
	    if (typeof allow !== "boolean") {
	        throw new Error("Allow default must be a boolean");
	    }
	    this.allowDefault = allow;
	};

	var btn = document.querySelector("#btn");
	function onBtnClick() {
		console.log("btn clicked");
	}
	var btnCtrl = new AoEventListener(btn, "click", onBtnClick);

</script>