define(function(require,exports,module){  var base = {};var isIE_v=(function(){if (!!(window.attachEvent && navigator.userAgent.indexOf('Opera') === -1)) {return true;} else{return false; };}());     base.isIE = isIE_v;//浏览器 宽度与高度base.getBrowserWindowSize = (function () {var de = document.documentElement;return {width: window.innerWidth ||(de&&de.clientWidth) || document.body.clientWidth,height: window.innerHeight || (de && de.clientWidth) || document.body.clientWidth}} ());base.$=function(){var elements=[],element;for (var i = 0,max=arguments.length; i < max; i++) {if (typeof arguments[i] === 'string') {element = document.getElementById(arguments[i]);} else {element = arguments[i];}if (max==1) {return element}else{elements.push(element)};};return elements;};//得到节点下的第一个元素子节点 如没有返回nullbase.getFirstElementNode = function (node) {if (!(node = base.$(node))) { return false };if (node.children.length > 0) {if (node.firstElementChild) {return node.firstElementChild;} else {return node.firstChild;}} else {return null;}};//得到节点下的最后一个子节点 如没有返回null
base.getLastElementNode=function(node){if (!(node=base.$(node))) { return false};if(node.children.length>0){if (node.lastElementChild) {return node.lastElementChild;} else{return node.lastChild;}} else{return null;}
};
//得到节点下面的直接元素子节点集合(第一层)
base.getElementsNode=function(parentnode){if(!(parentnode=base.$(parentnode))){return false;}return parentnode.children;
};
//获得元素节点的下一个节点 如果为最后一个返回null
base.getNextElementNode=function(node){if (!(node = base.$(node))) { return false; };var lastnode=base.getLastElementNode(node.parentNode);if(lastnode!=node){if(node.nextElementSibling){return node.nextElementSibling;} else{return node.nextSibling;}} else{return null;}
};//获得元素节点的上一个节点 如果节点为第一个则返回null
base.getPreElementNode=function(node){if (!(node = base.$(node))) { return false; }var firstnode=base.getFirstElementNode(node.parentNode);if(firstnode!=node){if(node.previousElementSibling){return node.previousElementSibling;} else{return node.previousSibling;}} else{return null;}
};//新元素插入指定元素后面
base.insertAfter = function (newnode, node) {if (!(newnode = base.$(newnode)) || !(node = base.$(node))) { return false; }var parent = node.parentNode;if (base.getLastElementNode(parent) == node) {parent.appendChild(newnode);} else {parent.insertBefore(newnode, base.getNextElementNode(node));}
};//添加元素到第一个子节点
base.prependChild = function (newnode,parent) {if (!(newnode = base.$(newnode)) || !(parent = base.$(parent))) { return false; }var firstElementNode = base.getFirstElementNode(parent);if (firstElementNode) {parent.insertBefore(newnode, firstElementNode);} else {    parent.appendChild(newnode);}
};//删除元素的所有子节点
base.removeChildRen = function (parent) {if (!(parent = base.$(parent))) { return false; }while (parent.firstChild) {parent.firstChild.parentNode.removeChild(parent.firstChild);}return parent;
};//得到元素的文本节点
base.getElementText = function (node) {var t = "";var node = node.childNodes || node;var length = node.length;for (var i = 0; i < length; i++) {     t += node[i].nodeType != 1 ? node[i].nodeValue : getElementText(node[i].childNodes);}return t;
}//创建元素
base.createElement = function (tagname, attr) {var element = null;if (typeof tagname === "string") {element = document.createElement(tagname);var key, keyattr;for (key in attr) {key = key.toLowerCase();if (key == "styles" && typeof attr[key] === "object") {for (keyattr in attr[key]) {element.style[keyattr] = attr[key][keyattr];if (keyattr == "opacity") {base.setOpacity(element, attr[key][keyattr]);}}} else if (key == "classname" && typeof attr[key] === "string") {base.addClass(element, attr[key]);} else {                if (key == "id" && typeof attr[key] === "string") {element.setAttribute("id", attr[key]);} else {element.setAttribute(key, attr[key]);}}}}return element;
}
//元素可见性切换
base.toggleDisplay=function(node,value){if (!(node = base.$(node))) { return false; };if (node.style.display!='none') {node.style.display='none';} else{node.style.display=value||'';}return true;
};
base.hasClass = function (el,classname) {if (!(el = base.$(el))) { return false; }var aelclassname = base.stringToArray(el.className),aclassname = base.stringToArray(classname),length = aclassname.length,re = true;for (var i = 0; i < length; i++) {if (!aelclassname.contains(aclassname[i])) {re = false;}}return re;
}base.addClass = function (el,classname) {if (!(el = base.$(el))) { return false; }var aelclassname = base.stringToArray(el.className),aclassname = base.stringToArray(classname);el.className = base.array.union(aelclassname, aclassname).join(' ');return el;
}
base.removeClass = function (el, classname) {if (!(el = base.$(el))) { return false; }var aelclassname = base.stringToArray(el.className),aclassname = base.stringToArray(classname);el.className = base.array.minus(aelclassname, aclassname).join(' ');return el;
}//根据class获得元素
base.getElementsByClassName = function (classname, parentnode, tagname) {var s = (parentnode || document).getElementsByTagName(tagname || "*"),classarr = base.FormatString(classname).split(' '),classlength = classarr.length;return function () {var a = [],lenght = s.length;for (var i = 0; i < lenght; i++) {if (!s[i].className) { continue; };if (base.hasClass(s[i], classname)) {a.push(s[i]);}}return a;}();
};//class切换 单个类
base.toggleClass = function (node, classname) {if (!(node = base.$(node))) { return false; }var classname = base.trim(classname);if (base.hasClass(node, classname)) {base.removeClass(node, classname);} else {base.addClass(node, classname);}
}//设置元素的透明度
base.setOpacity=function(node,level){if(!(node=base.$(node))){ return  false;}if(base.isIE){node.style.filter="alpha(opacity="+level+")";} else{node.style.opacity=level/100;
    }
};
//获取元素的样式
base.getStyle=function(node,stylename){if(!(node=base.$(node))) {return false;}if (node.currentStyle) {return node.currentStyle[stylename];} else{return node.ownerDocument.defaultView.getComputedStyle(node,null)[stylename];       }
}
//去除字符串两边的空白
base.trim = function (str) {return  base.isString(str)===true?str.replace(/(^\s*)|(\s*$)/g, ""):false;
};//去除字符串左边的空白
base.Ltrim = function (str) {return base.isString(str) === true ? str.replace(/(^\s*)/g, "") : false;
};//去除字符串右边的空白
base.Rtrim = function (str) {return base.isString(str) === true ? str.replace(/(\s*$)/g, "") : false;
};//字符串中的多个空白替换为单个空白
base.Ctrim = function (str) {return base.isString(str) === true ? str.replace(/\s+/g, ' ') : false;
}
base.FormatString = function (str) {if (base.isString(str)) {return base.Ctrim(base.trim(str));} else { return false;}
}//字符串转换数组
base.stringToArray = function (str, s) {var s = s || ' ';return base.FormatString(str).split(s);
}//字符串重复
base.repeatString = function (str, num) {var temp = '';for (var i = 0; i < num; i++) {temp += str;}return temp;
}//检查输入的字符串
base.isNumber=function(str){return Object.prototype.toString.call(str)==="[object Number]";
};
base.isString=function(str){return Object.prototype.toString.call(str) === "[object String]";
};
base.isBoolean=function(str){return Object.prototype.toString.call(str) === "[object Boolean]";
};
base.isObject = function (str) {return Object.prototype.toString.call(str) === "[object Object]";
}
base.isArray = function (str) {return Object.prototype.toString.call(str) === "[object Array]" && Array.isArray(str);};
base.isFunction=function(obj){return Object.prototype.toString.call(obj) === "[object Function]";};
base.isNull = function () {return str === null;};
base.isEmpty=function(str){return  /^\s*$/.test(str);};
base.isUndefined=function(str){return typeof str === "undefined";
};
base.addEvent = function (node, type, fn) {if(!(node=base.$(node))){return false;}if (base.isIE) {node.attachEvent('on'+type,fn);} else if(document.addEventListener){node.addEventListener(type, fn, false);} else{node['on'+type]=fn;}
};
base.removeEvent = function (node, type, fn) {if (!(node = base.$(node))) { return false; }if (base.isIE) {node.detachEvent('on'+type,fn); } else if(document.addEventListener){node.removeEventListener(type,fn,false);} else{node['on'+type]=null;}
};//获得事件对象
base.getEventObject = function (event) {return event || window.event;
}//取消事件的默认事件
base.preventDefault = function (event) {var ev = event || base.getEventObject(event);if (ev.preventDefault) {ev.preventDefault();} else {     ev.returnValue = false;}
}//得到事件目标对象
base.getEventTarget=function(e){var ev = e || base.getEventObject(e);var target = e.target || e.srcElement;//safariif (target.nodeType == 3) {target = target.parentNode;}
};
//取消冒泡事件
base.stopPropagation = function (e) {var ev = e || base.getEventObject(e);if (base.isIE) {ev.cancelBulle = true;} else{ev.stopPropagation();};
};//得到鼠标按键
base.getMouseButton = function (event) {var ev = event || base.getEventObject(event);var buttons = {'left': false,'middle': false,'right': false};if (ev.toString() && ev.toString().indexOf("MouseEvent") != -1) {     switch (ev.button) {case 0: buttons.left = true;break;case 1: buttons.middle = true;break;case 2: buttons.right = true;break;default: break;        }} else if (ev.button) {switch (ev.button) {case 1: buttons.left = true;break;case 2: buttons.right = true;break;case 3: buttons.left = true; buttons.right = true;break;case 4: buttons.middle = true;break;case 5: buttons.left = true; buttons.middle = true;break;case 6: buttons.middle = true; buttons.right = true;break;case 7: buttons.left = true; buttons.middle = true; buttons.right = true;break;default: break;}} else {return false;}return buttons;
}//得到鼠标的位置 相对于文档原点
base.getMousePointPositionInDocument = function (event) {var ev = event || base.getEventObject(event);var x = ev.pageX || ev.clientX + (document.body.scrollLeft || document.documentElement.scrollLeft);var y = ev.pageY || ev.clientY + (document.body.scrollTop || document.documentElement.scrollTop);return {'x': x,'y':y}
}//得到键盘按键信息
base.getKeyPress = function (event) {var ev = event || base.getEventObject(event);var code = ev.keyCode;var value = String.fromCharCode(code);return { 'code': code, 'value': value };
}//得到url的参数
base.getQueryString = function (name) {var reg = new RegExp("(^|&)" + name + "=([^&*])(&|$)","i");var r = window.location.search.substr(1).match(reg);if (r != null) {return unescape(r[2]);} else {return null;}
}//基本的cookie操作
base.cookie = {read: function (name) {var cookieStr = ";" + document.cookie + ";";var index = cookieStr.indexOf("; " + name + "=");if (index != -1) {var s = cookieStr.substring(index + name.length + 3, cookieStr.length);return unescape(s.substring(0, s.indexOf("; ")));} else {return null;}},set: function (name, value, expires) {var expDays = expires * 24 * 60 * 60 * 1000;var expDate = new Date();expDate.setTime(expDate.getTime() + expDays);var expString = expires ? "; expires=" + expDate.toGMTString() : "";var pathString = ";path=/";document.cookie = name + "=" + escape(value) + expString + pathString;},del: function (name) {var exp = new Date(new Date().getTime() - 1);var s = this.read(name);if (s != null) {document.cookie = name + "=" + s + ";expires = " + exp.toGMTString() + ";path=/"}}
}//数组的遍历

base.forEach = (function () {//数组与伪数组的遍历      context var _Array_forEach = function (array, block, context) {if (array == null) return;//对String进行特殊处理if (base.isString(array)) {array = array.split('');}var i = 0, length = array.length;for (; i < length && block.call(context, array[i], (i + 1), array) !== false; i++) { }};//对象的遍历var _Function_forEach = function (object, block, context) {for (var key in object) {//只遍历本地属性  if (object.hasOwnProperty(key) && block.call(context, object[key], key, object) === false) {break;}}};return function (object, block, context) {if (object == null) return;if (base.isNumber(object.length)) {_Array_forEach(object, block, context);} else {_Function_forEach(object, block, context);}};
})()//两个数组的操作 基于第一个数组
base.array = {//两个数组的交集intersect: function (a, b) {return a.uniquelize().each(function (o) { return b.contains(o) ? o : null; });},//两个数组的差集minus: function (a,b) {return a.uniquelize().each(function (o) { return b.contains(o) ? null : o; })},//两个数组的并集union: function (a, b) {return a.concat(b).uniquelize();},//两个数组的补集complement: function (a,b) {return this.minus(this.union(a, b), this.intersect(a, b));}
}//对原型的扩展
Array.prototype.contains = function (el) {return RegExp("\\b" + el + "\\b").test(this);
}
Array.prototype.each = function (fn) {var arr = [];var args = Array.prototype.slice.call(arguments, 1);var length = this.length;for (var i = 0; i < length; i++) {var erg = fn.apply(this, [this[i], i].concat(args));if (erg != null) {arr.push(this[i]);}}return arr;
}
Array.prototype.uniquelize = function () {var newarr = [];var length = this.length;for (var i = 0; i < length; i++) {if (!newarr.contains(this[i])) {newarr.push(this[i]);}}return newarr;
}module.exports=base;})