super-tiny jQuery-like API JavaScript library

tiny$.js

/*
 * for more info see : https://github.com/dciccale/ki.js/blob/master/ki.js
 * ie8 compatible !!
 * included functions : $.create, $.each $.isFunction, on, off, hasCLass, addClass, removeClass, each show, append, hide, hmtl, attr,    removeAttr, css, remove, ...
 * usefull for developing third-party jsavascript widgets
 */

!function (window, document, array, prototype, event_listener) {
	f = document['add' + event_listener]
	function init(selector, d, i) {
		for(d = (selector && selector.nodeType ? [selector] : '' + selector === selector ? document.querySelectorAll(selector) : selector), i = d.length; i--; array.unshift.call(this, d[i]));
	}
	$ = function (selector) {
		return /^f/.test(typeof selector) ? /in/.test(document.readyState) ? setTimeout('$('+selector+')', 9) : selector() : new init(selector)
	}
	$.each = function(arr, callback) {
		var i = 0, l = arr.length;
		for(; i < l; ++i)
			callback(i, arr[i]);
		return this;
	};
	$.isFunction = function(f) { return typeof f === "function"; };
	$.extend = function(target, source) {
		for(i in source) {
			target[i] = source[i]
		}
		return target
	};
	$.create =  function (node_type, attributes, elem) {
		elem = $(document.createElement(node_type))
		for (var key in attributes)
			elem.attr(key, attributes[key])
		return elem
	};
	function classReg(c) { return new RegExp("(^|\\s+)" + c + "(\\s+|$)");}
  	$[prototype] = init[prototype] = {
		length: 0,
		on: function (event_type, callback) {

      		return this.each(function (elem) {
        		f ? elem['add' + event_listener](event_type, callback, false) : elem.attachEvent('on' + event_type, callback)
      		})
    	},
		off: function (event_type, callback) {
			return this.each(function (elem) {
				f ? elem['remove' + event_listener](event_type, callback) : elem.detachEvent('on' + event_type, callback)
			})
		},
		hasClass: function (c) {
			return classReg(c).test(this[0].className);
		},
		addClass: function (c) {
			return this.each(function (b) {
				if (!$(b).hasClass(c))
					b.className += ' ' + c;
			});
		},
		removeClass: function (c) {
			return this.each(function (b) {
				b.className = b.className.replace(classReg(c), ' ');
			});
		},
		each: function (callback, context) {
			for (var c = this, d = 0, e = c.length; d < e; ++d) {
				callback.call(context || c[d], c[d], d, c)
			}
			return c
		},
		show: function() {
	  		return this.each(function(b) {
	    		b.style.display = '';
	  		});
		},
		hide: function() {
	  		return this.each(function(b) {
	    		b.style.display = 'none';
	  		});
		},
		splice: array.splice,
		append: function(elem) {
	  		return this.each(function(b) {
	    		b.appendChild(elem[0]);
	  		});
		},
		html: function(html_content) {
			return html_content === array._ ? this[0].innerHTML : this.each(function(b) {
				b.innerHTML = html_content;
			});
		},
		remove: function() {
			return this.each(function(b) {
				b.parentNode.removeChild(b);
			});
		},
		attr: function(attr, new_value) {
			return new_value === array._ ? this[0].getAttribute(attr) : this.each(function(c) {
				c.setAttribute(attr, new_value);
			});
		},
		removeAttr: function(attr) {
			return this.each(function(b) {
				b.removeAttribute(attr);
			});
		},
		css: function(a, b) {
		    return b === []._ ? this[0].style[a] : this.each(function(c) {
		      c.style[a] = b;
		    });
		}
	};
	
}(window, document, [], 'prototype', 'EventListener');