Updated test and semi-linted tinyDOM.js

js/tinyDOM.js

 //Prevent pollution of global namespace with closure
-(function(){
-	var tinyDOM = function(selector){
+(function() {
+    'use strict';
+
+	var tinyDOM = function(selector) {
 		return new tinyDOMFunction(selector);
-	}
+	};
 
 	var tinyDOMFunction = function(selector) {
-		if(selector === null || typeof(selector) === 'undefined'){
+		if (selector === null || typeof (selector) === 'undefined') {
 			this.length = 0;
-		} else if(typeof(selector) === 'string'){
+		} else if(typeof(selector) === 'string') {
 			var elements = document.querySelectorAll(selector);
 
 			this.length = elements.length;
-			for(var i = 0; i < elements.length; i++){
+			for(var i = 0; i < elements.length; i++) {
 				var e = elements.item(i);
-				if(typeof(e.td_prop) === 'undefined'){
+				if(typeof(e.td_prop) === 'undefined') {
 					e.td_prop = {
 						isHidden: false
 					};
@@ -31,14 +33,14 @@
 	tinyDOM.fn = tinyDOMFunction.prototype = {
 		each: function(fn) {
 			var l = this.length;
-			while(l--){
+			while(l--) {
 				fn(l, this[l], this);
 			}
 			return this;
 		},
 		hide: function(){
-			this.each(function(i, e){
-				if(!e.td_prop.isHidden){
+			this.each(function(i, e) {
+				if(!e.td_prop.isHidden) {
 					e.style.td_previousDisplay = e.style.display;
 					e.style.display = 'none';
 					e.td_prop.isHidden = true;
@@ -46,10 +48,10 @@
 			});
 			return this;
 		},
-		show: function(){
-			this.each(function(i, e){
+		show: function() {
+			this.each(function(i, e) {
 				if(e.td_prop.isHidden === true){
-					if(typeof(e.style.td_previousDisplay) !== 'undefined'){
+					if(typeof(e.style.td_previousDisplay) !== 'undefined') {
 						e.style.display = e.style.td_previousDisplay;
 					} else {
 						e.style.display = 'block';
@@ -59,22 +61,22 @@
 			});
 			return this;
 		},
-		on: function(ev, fn){
-			this.each(function(i, e){
+		on: function(ev, fn) {
+			this.each(function(i, e) {
 				e.addEventListener(ev, fn);
 			});
 			return this;
 		},
-		first: function(){
-			if(typeof(this[0]) !== 'undefined'){
+		first: function() {
+			if(typeof(this[0]) !== 'undefined') {
 				return this[0];
 			} else {
 				return null;
 			}
 		},
-		data: function(key, value){
+		data: function(key, value) {
 			var e = this[0];
-			if(typeof(value) !== 'undefined'){
+			if(typeof(value) !== 'undefined') {
 				e.setAttribute('data-'+key, value);
 				return this;
 			} else {
@@ -83,16 +85,16 @@
 		}
 	}
 
-	tinyDOM.exists = function(obj){
+	tinyDOM.exists = function(obj) {
 		return obj !== null && typeof(obj) !== 'undefined';
 	}
 
-	tinyDOM.merge = function(json1, json2){
-		if(!this.exists(json1) || !this.exists(json2)){
+	tinyDOM.merge = function(json1, json2) {
+		if(!this.exists(json1) || !this.exists(json2)) {
 			return null;
 		} else {
 			for(var prop in json2) {
-				if(json2.hasOwnProperty(prop)){
+				if(json2.hasOwnProperty(prop)) {
 					json1[prop] = json2[prop];
 				}
 			}
@@ -100,7 +102,7 @@
 		}
 	}
 
-	tinyDOM.ajax = function(options){
+	tinyDOM.ajax = function(options) {
 		var req = new XMLHttpRequest();
 		var _this = this;
 
@@ -113,25 +115,17 @@
 			responseType: 'text',
 			data: null,
 			headers: [],
-			success: null,
-			error: null
+			callbacks: {}
 		}
 
 		this.merge(params, options);
 
 		req.responseType = params.responseType;
 
-		req.onreadystatechange = function(){
-			if(req.readyState > 1){
-				if(req.status === 200){
-					if (req.readyState === 4 && _this.exists(params.success)){
-						params.success(req.response, req);
-					}
-				} else {
-					req.abort();
-					if(_this.exists(params.error)){
-						params.error({status: req.status, message: req.statusText}, req);
-					}
+		if(this.exists(params.callbacks)) {
+			for(var ev in params.callbacks) {
+				if(params.callbacks.hasOwnProperty(ev)) {
+					req.addEventListener(ev, params.callbacks[ev]);
 				}
 			}
 		}
@@ -144,7 +138,7 @@
 			params.password
 		);
 
-		for(var i = 0; i < params.headers.length; i++){
+		for(var i = 0; i < params.headers.length; i++) {
 			req.setRequestHeader(params.headers[i].header, params.headers[i].value);
 		}
 
@@ -152,10 +146,10 @@
 		return req;
 	};
 
-	if(!window.μ){
+	if(!window.μ) {
 		window.μ = tinyDOM;
 	}
-	if(!window.mu){
+	if(!window.mu) {
 		window.mu = tinyDOM;
 	}
 })();

test.html

@@ -13,7 +13,7 @@
 			so it would be <span class='important'>bad</span> if any of them dissapeared.
 			</p>
 			<p id='emptydiv'>
-				
+
 			</p>
 		</div>
 
@@ -63,9 +63,11 @@
 		console.log(μ(this).data('href'));
 		μ.ajax({
 			url: url,
-			success: function(data){
-				console.log(data);
-				μ('#emptydiv').first().innerHTML = data;
+			callbacks: {
+				load: function(data){
+					console.log(data);
+					μ('#emptydiv').first().innerHTML = data;
+				}
 			}
 		});
 	});