dynamic-event.js

var __ = function () {
	this.context = [];
	var self = this;
	this.selector = function (_elem, _sel) {
		return _elem.querySelectorAll(_sel);
	}
	this.on = function (_event, _element, _function) {
		this.context = self.selector(document, _element);
		document.addEventListener(_event, function (e) {
			var elem = e.target;
			while (elem != null) {
				if ("#" + elem.id == _element || self.isClass(elem, _element) || self.elemEqal(elem)) {
					_function(e, elem);
				}
				elem = elem.parentElement;
			}
		}, false);
	};

	this.isClass = function (_elem, _class) {
		var names = _elem.className.trim().split(" ");
		for (this.it = 0; this.it < names.length; this.it++) {
			names[this.it] = "." + names[this.it];
		}
		return names.indexOf(_class) != -1 ? true : false;
	};

	this.elemEqal = function (_elem) {
		var flg = false;
		for (this.it = 0; this.it < this.context.length; this.it++) {
			if (this.context[this.it] === _elem && !flg) {
				flg = true;
			}
		}
		return flg;
	};

}

function _(_sel_string) {
	var new_selc = new __(_sel_string);
	return new_selc;
}


_(document).on("click", "#brnPrepend", function (_event, _element) {
	console.log(_event);
	console.log(_element);
	// Todo

});