Event Listener Native Javascript width jQuery Style

sample.html

<script type="text/javascript">
	// self executing function here
	(function() {
	    $ = function(selector) {
	        var selectorType = 'querySelectorAll';
	        if (selector.indexOf('#') === 0) {
	            selectorType = 'getElementById';
	            selector = selector.substr(1, selector.length);
	        }
	        var element = document[selectorType](selector);
	        if (selectorType === 'querySelectorAll') {
	            Object.defineProperties(element, {
	                click: {
	                    enumerate: false,
	                    set: function(f) {
	                        for (var i = 0; i < this.length; ++i) {
	                            this[i].onclick = f;
	                        }
	                    }
	                }
	            });
	        }
	        return element;
	    };
	})();
	
	$('input').click = function() {
	 	alert('Demo'); 
	}
</script>

<button class="selectt">Is it working huh?</button>
<button class="selectt">Second Button too ?</button>
<input class="selectt" type="button" value="Third Button Index Must be equal to 2(Two) ?? == " />

<input id="InputById" type="button" value="Single Element ById =  '#InputById' " />