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常用的方法整理

Posted on 2018-01-30 00:09  小飞博客  阅读(293)  评论(0编辑  收藏  举报
1 //自动居中 - 浮层 ( el = Element)
2 function autoCenter(el) {
3     var bodyW = document.documentElement.clientWidth; //网页可视区域
4     var bodyH = document.documentElement.clientHeight;
5     var elW = el.offsetWidth; //弹层的宽度
6     var elH = el.offsetHeight;
7     el.style.left = (bodyW - elW) / 2 + 'px'; //实现居中
8     el.style.top = (bodyH - elH) / 2 + 'px';
9 }
1 //元素充满浏览器全屏
2 function fillBody(el){
3     el.style.width=document.documentElement.clientWidth+'px';
4     el.style.height=document.documentElement.clientHeight+'px';
5 }
//常用的事件函数
window.onresize=window.onload=function(){}
window.onscroll=function(){}
1 //可视区域宽    
2 function viewWidth(){
3     return document.documentElement.clientWidth;
4 }
5 //可视区域高
6 function viewHeight(){
7     return document.documentElement.clientHeight;
8 }
 1 //判断element X Y是否出现了滚动条
 2 var isScroll = function (el) {
 3     // test targets
 4     var elems = el ? [el] : [document.documentElement, document.body];
 5 
 6     var scrollX = false, scrollY = false;
 7 
 8     for (var i = 0; i < elems.length; i++) {
 9 
10       var o = elems[i];
11 
12       // test horizontal  水平
13 
14       var sl = o.scrollLeft;
15 
16       o.scrollLeft += (sl > 0) ? -1 : 1;
17 
18       o.scrollLeft !== sl && (scrollX = scrollX || true);
19 
20       o.scrollLeft = sl;
21 
22       // test vertical  垂直
23 
24       var st = o.scrollTop;
25 
26       o.scrollTop += (st > 0) ? -1 : 1;
27 
28       o.scrollTop !== st && (scrollY = scrollY || true);
29 
30       o.scrollTop = st;
31     }
32 
33     // ret
34 
35     return {
36 
37       scrollX: scrollX,
38 
39       scrollY: scrollY
40 
41     };
42 
43   };
1 //js自动刷新
2   window.location.reload();
 1  //设置属性和获取属性值
 2 function attr(elem, name, value) { 
 3     var ret; 
 4     if (value) { 
 5         if (/msie [6-7]\.0/i.test(navigator.userAgent)) { 
 6             ret = elem.getAttributeNode(name); 
 7             if (!ret) { //ie6 7不合法的属性设置捕鸟,通过这里可以设置 
 8                 ret = document.createAttribute(name); 
 9                 elem.setAttributeNode(ret); 
10             } 
11             ret.nodeValue = value + ""; 
12         } else { 
13             elem.setAttribute(name, value); 
14         } 
15         return elem; 
16     } else { //ie6 7有得属性获取不了 
17         ret = elem.getAttribute(name); 
18         fixIe = elem.getAttributeNode(name).nodeValue; 
19         ret = ret ? ret : fixIe ? fixIe : undefined; 
20         return ret; 
21     } 
22 }
1 //获取计算后的属性值
2 function getStyle(obj,attr){
3     if(obj.currentStyle){
4         return obj.currentStyle[attr];
5     }
6     else{
7         return getComputedStyle(obj,false)[attr];
8     }
9 }
 1 /*
 2 参数说明:obj是被绑定元素,
 3 event是绑定的事件,
 4 fn是被绑定事件触发执行的函数,
 5 false参数:按照事件冒泡的执行顺序进行的,true的话则按照事件捕获的执行顺序进行的。
 6 */
 7 
 8 
 9 function bind(obj,eventname,fn){
10     if(obj.addEventListener){
11         obj.addEventListener(eventname,fn,false);
12     }else{
13         obj.attachEvent("on"+eventname,function(){
14             fn.call(obj);
15         })
16     }
17 }
 1 //获取滚动隐藏的高度兼容方法
 2 function scroll(){
 3     if(window.pageYOffset!=null){//IE9+ 以及最新版本
 4                 return{
 5                     top:window.pageYOffset,
 6                     left:window.pageXOffset
 7                 }
 8         }else if(document.compatMode=='CSS1Compat'){//检测是否声明dtd
 9                 return{//支持IE 789 火狐 声明DTD的
10                     top:document.documentElement.scrollTop,
11                     left:document.documentElement.scrollLeft
12                 }
13         }else{
14                 return{//没有DTD 只支持谷歌
15                     top:document.body.scrollTop,
16                     left:document.body.scrollLeft
17                 }
18         }
19 }
1 //检测对象是否为数组
2 function isArray(obj){
3   return Object.prototype.toString.call(obj)=="[object Array]";
4 }
 1 function format(format) {
 2     var Time=new Date();
 3     var date = {
 4        "M+": Time.getMonth() + 1,
 5        "d+": Time.getDate(),
 6        "h+": Time.getHours(),
 7        "m+": Time.getMinutes(),
 8        "s+": Time.getSeconds(),
 9        "q+": Math.floor((Time.getMonth() + 3) / 3),
10        "S+": Time.getMilliseconds()
11     };
12     if (/(y+)/i.test(format)) {
13            format = format.replace(RegExp.$1, (Time.getFullYear() + '').substr(4 - RegExp.$1.length));
14     }
15     for (var k in date) {
16            if (new RegExp("(" + k + ")").test(format)) {
17                   format = format.replace(RegExp.$1, RegExp.$1.length == 1? date[k] : ("00" + date[k]).substr(("" + date[k]).length));
18            }
19     }
20     return format;
21 }
22 format('yyyy') //2018
23 format('yyyy-MM') // 2018-01
24 format('yyyy-MM-dd') // 2018-01-30
25 format('yyyy-MM-dd:h') // 2018-01-30:16
26 format('yyyy-MM-dd:hh:mm ss') // 2018-01-30:16:30 45
 1 /*清除string前后的空格*/
 2 String.prototype.trim = function(){
 3   //方式一:将匹配到的每一个结果都用""替换
 4   return this.replace(/(^\s+)|(\s+$)/g,function(){
 5     return "";
 6   });
 7  
 8   //方式二:和方式一的原理相同
 9   return this.replace(/(^\s+)|(\s+$)/g,'');
10 };
11 
12 //获取匹配空格string.getTrimOffset()
13 String.prototype.getTrimOffset = function(){
14   /**
15    * @param rs:匹配结果
16    * @param $1:第1个()提取结果
17    * @param $2:第2个()提取结果
18    * @param offset:匹配开始位置
19    * @param source:原始字符串
20    */
21   var arr=[];
22   this.replace(/(^\s+)|(\s+$)/g,function(rs,$1,$2,offset,source){
23     //arguments中的每个元素对应一个参数
24    arr.push(arguments);
25   });
26   return arr;
27 };
28 
29 //实现函数escapeHtml,将<, >, &, " 进行转义
30 function escapeHtml(str) {
31   //匹配< > " &
32   return str.replace(/[<>"&]/g, function(rs) {
33     switch (rs) {
34       case "<":
35         return "<";
36       case ">":
37         return ">";
38       case "&":
39         return "&";
40       case "\"":
41         return "";
42     }
43   });
44 }
45 //在字符串指定位置插入新字符串
46 String.prototype.insetAt = function(str,offset){
47  
48   //使用RegExp()构造函数创建正则表达式
49   var regx = new RegExp("(.{"+offset+"})");
50  
51   return this.replace(regx,"$1"+str);
52 };

 

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>input只能 输入数字 并且 可以退格 光标可以左右移动</title>
 6 </head>
 7 <body>
 8     <input type="text" id="txt">
 9 </body>
10 <script>
11     var txt=document.getElementById('txt');
12     txt.onkeydown=function(ev){
13         var oEevent=ev||event;
14         console.log(oEevent.keyCode)
15         //数字keycode 49~57  左右 是37 39可以退格
16         if(oEevent.keyCode!=8 && oEevent.keyCode!=37 && oEevent.keyCode != 39 && (oEevent.keyCode<48||oEevent.keyCode>57)){
17             return false;
18         }
19     }
20 </script>
21 </html>

 

 1 /*封装方法-input框只能输入数字 输入框光标可以左右移动 可以backspace*/
 2 function onlyNumber(ele){
 3     if(ele.length===undefined){
 4         ele.onkeydown=function(ev){
 5             var oEevent=ev||event;
 6             if(oEevent.keyCode!=8 && oEevent.keyCode!=37 && oEevent.keyCode != 39 && (oEevent.keyCode<48||oEevent.keyCode>57))
 7             return false;    
 8         }
 9     }else{
10         for(var i=0;i<ele.length;i++){
11             ele[i].onkeydown=function(ev){
12                 var oEevent=ev||event;
13                 if(oEevent.keyCode!=8 && oEevent.keyCode!=37 && oEevent.keyCode != 39 && (oEevent.keyCode<48||oEevent.keyCode>57))
14                 return false;    
15             }
16         }
17     }
18 }

 

 1 //获取样式
 2 function getStyle(obj,attr){
 3 
 4     if (attr =='left')
 5     {
 6         return obj.offsetLeft;
 7     }
 8     else if (attr =='top')
 9     {
10         return obj.offsetTop;
11     }
12     else if (attr =='width')
13     {
14         return obj.offsetWidth;
15     }
16     else if (attr =='height')
17     {
18         return obj.offsetHeight;
19     }
20     else
21     {
22         return obj.currentStyle?obj.currentStyle[attr]:getComputedStyle(obj)[attr];
23     }
24 }
 1 //运动框架
 2 
 3 function move(obj,attr,target,time,back){
 4 
 5     var startTime = new Date();
 6     var startVal = parseInt(getStyle(obj,attr));
 7     
 8     var timer = setInterval(function(){
 9         
10         var nowTime = new Date();
11         var moveVal = parseInt(target) - startVal;
12 
13         var prop = (nowTime - startTime)/time;
14         if (prop>=1)
15         {
16             prop = 1;
17             clearInterval(timer);
18             if (PicIndex==PicLi.length-1)
19             {
20                 PicIndexLast = 1;
21                 back();
22                 objNum++;
23                     if (objNum == 5)
24                     {
25                         PicIndex = 1;
26                         objNum =0;
27                     }
28                 prop = NaN;
29             }
30             else if (PicIndex==0)
31             {
32                 PicIndexLast = PicLi.length-2;
33                 back();
34                 objNum++;
35                     if (objNum == 5)
36                     {
37                         PicIndex = PicLi.length-2;
38                         objNum =0;
39                     }
40                 prop = NaN;
41             }
42         }
43         obj.style[attr]=prop*moveVal+startVal+'px';
44     },20)
45     
46 }

 

 1 (function(){
 2     //构造函数
 3     function F(){
 4         //私有属性和方法放在构造函数里
 5     }
 6     //共享属性和方法放在原型属性(prototype)上
 7     
 8     //共享属性
 9     F.prototype.attr='共享属性';
10     //共享方法
11     F.prototype.method=function(){
12 
13     };
14     //F 的实例挂载在window下
15     window.f=new F();
16 })(window,undefined)
  1 (function(window.undefined){
  2     function G(){}
  3     //dom操作
  4     G.prototype.addClass=function(obj, sClass){
  5         var re=new RegExp('\\b'+sClass+'\\b');
  6         if(re.test(obj.className))return;
  7         obj.className=(obj.className+' '+sClass).match(/\S+/g).join(' ');
  8         return this;
  9     }
 10     G.prototype.removeClass=function(obj, sClass){
 11         var re=new RegExp('\\b'+sClass+'\\b', 'g');
 12         obj.className=obj.className.replace(re, '').replace(/^\s+|\s+$/g, '').replace(/\s+/g, ' ');
 13         return this;
 14     }
 15     G.prototype.removeSelfById=function(id){
 16         var obj=document.getElementById(id);
 17         try{obj.parentNode.removeChild(obj);}catch(e){};
 18         return this
 19     }
 20     G.prototype.getByClass=function(oParent, sClass){
 21         var aEle=oParent.getElementsByTagName('*');
 22         var re=new RegExp('\\b'+sClass+'\\b', 'i');
 23         var aResult=[];
 24         for(var i=0;i<aEle.length;i++){
 25             if(re.test(aEle[i].className)){
 26                 aResult.push(aEle[i]);
 27             }
 28         }
 29         return aResult;
 30     }
 31     G.prototype.getEle=function(sExp, oParent){
 32         var This=this;
 33         var aResult=[];
 34         var i=0;
 35         oParent || (oParent=document);
 36         if(oParent instanceof Array){
 37             for(i=0;i<oParent.length;i++)aResult=aResult.concat(getEle(sExp, oParent[i]));
 38         }else if(typeof sExp=='object'){
 39             if(sExp instanceof Array){
 40                 return sExp;
 41             }
 42             else{
 43                 return [sExp];
 44             }
 45         }else{
 46             //xxx, xxx, xxx
 47             if(/,/.test(sExp)){
 48                 var arr=sExp.split(/,+/);
 49                 for(i=0;i<arr.length;i++)aResult=aResult.concat(getEle(arr[i], oParent));
 50             }
 51             //xxx xxx xxx 或者 xxx>xxx>xxx
 52             else if(/[ >]/.test(sExp)){
 53                 var aParent=[];
 54                 var aChild=[];
 55 
 56                 var arr=sExp.split(/[ >]+/);
 57 
 58                 aChild=[oParent];
 59 
 60                 for(i=0;i<arr.length;i++){
 61                     aParent=aChild;
 62                     aChild=[];
 63                     for(j=0;j<aParent.length;j++){
 64                         aChild=aChild.concat(getEle(arr[i], aParent[j]));
 65                     }
 66                 }
 67 
 68                 aResult=aChild;
 69             }
 70             //#xxx .xxx xxx
 71             else{
 72                 switch(sExp.charAt(0)){
 73                     case '#':
 74                         return [document.getElementById(sExp.substring(1))][0];
 75                     case '.':
 76                         return This.getByClass(oParent, sExp.substring(1));
 77                     default:
 78                         return [].append(oParent.getElementsByTagName(sExp));
 79                 }
 80             }
 81         }
 82         return aResult;
 83     }
 84     G.prototype.getPos=function(obj){
 85         var res={l: 0, t: 0};
 86         while(obj){
 87             res.l+=obj.offsetLeft||0;
 88             res.t+=obj.offsetTop||0;
 89             obj=obj.offsetParent;
 90         }
 91         return res;
 92     }
 93     G.prototype.getStyle=function(obj,attr){
 94         //获取样式
 95         if (attr =='left'){
 96             return obj.offsetLeft;
 97         }else if (attr =='top'){
 98             return obj.offsetTop;
 99         }else if (attr =='width'){
100             return obj.offsetWidth;
101         }else if (attr =='height'){
102             return obj.offsetHeight;
103         }else{
104             return obj.currentStyle?obj.currentStyle[attr]:getComputedStyle(obj)[attr];
105         }
106     }
107     G.prototype.setStyle=function(obj, json){
108         if(obj.length)
109             for(var i=0;i<obj.length;i++) setStyle(obj[i], json);
110         else{
111             if(arguments.length==2)    //json
112                 for(var i in json) setStyle(obj, i, json[i]);
113             else{    //name, value
114                 switch(arguments[1].toLowerCase()){
115                     case 'opacity':
116                         obj.style.filter='alpha(opacity:'+arguments[2]+')';
117                         obj.style.opacity=arguments[2]/100;
118                         break;
119                     default:
120                         if(typeof arguments[2]=='number'){
121                             obj.style[arguments[1]]=arguments[2]+'px';
122                         }else{
123                             obj.style[arguments[1]]=arguments[2];
124                         }
125                     break;
126                 }
127             }
128         }
129     }
130 
131     //cookie方法
132     G.prototype.setCookie=function(name, value, iDay){
133         if(iDay!==false){
134             var oDate=new Date();
135             oDate.setDate(oDate.getDate()+iDay);
136             document.cookie=name+'='+value+';expires='+oDate+';path=/';
137         }else{
138             document.cookie=name+'='+value;
139         }
140     }
141     G.prototype.getCookie=function(name){
142         var arr=document.cookie.split('; ');
143         var i=0;
144         for(i=0;i<arr.length;i++){
145             var arr2=arr[i].split('=');
146             if(arr2[0]==name){
147                 return arr2[1];
148             }
149         }
150         return '';
151     }
152     G.prototype.removeCookie=function(name){
153         this.setCookie(name, 'a', -1);
154     }
155 
156     //请求方法
157     G.prototype.json2url=function(json){
158         var a=[];
159         for(var i in json){
160             var v=json[i]+'';
161             v=v.replace(/\n/g, '<br/>');
162             v=encodeURIComponent(v);
163             a.push(i+'='+v);
164         }
165         return a.join('&');
166     }
167     /*
168     options:
169     succ:    function(json)
170     faild:    function(str, err)
171     check:    function(obj, name, value)
172     data:    额外的数据
173     */
174     G.prototype.postForm=function(oForm, options){
175         if(!options)options={};
176         oForm.onsubmit=function (){
177             var data={};
178             var aEle=oForm.getElementsByTagName('*');
179             for(var i=0;i<aEle.length;i++){
180                 var name=aEle[i].name;
181                 var value=aEle[i].value;
182                 if(name){
183                     if(aEle[i].type=='radio'){
184                         if(aEle[i].checked){
185                             if(options.check && options.check(aEle[i], name, value)==false)return false;
186                             data[name]=value;
187                         }
188                     }else if(aEle[i].type!=undefined){
189                         if(options.check && options.check(aEle[i], name, value)==false)return false;
190                         data[name]=value;
191                     }
192                 }
193             }
194 
195             if(options.data){
196                 for(var i in options.data)data[i]=options.data[i];
197             }
198             request(oForm.action, data, options.succ, options.faild);
199             return false;
200         };
201     }
202 
203     G.prototype.ajax=function(url, opt){
204         var This=this;
205         opt            =opt||{};
206         opt.data    =opt.data||{};
207         opt.data.t    =opt.data.t||new Date().getTime();
208         opt.method    =opt.method||'get';
209 
210         var oAjax=window.XMLHttpRequest?new XMLHttpRequest():new ActiveXObject("Microsoft.XMLHTTP");
211 
212         if(opt.method=='post'){
213             oAjax.open('POST', url, true);
214             oAjax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
215             try{
216                 oAjax.send(opt.data?This.json2url(opt.data):null);
217             }catch(e){}
218         }else{
219             url+='?'+This.json2url(opt.data);
220             oAjax.open('GET', url, true);
221             try{
222                 oAjax.send();
223             }catch(e){}
224         }
225 
226         oAjax.onreadystatechange=function (){
227             if(oAjax.readyState==4){
228                 if(oAjax.status==200){
229                     opt.fnSucc && opt.fnSucc(oAjax.responseText);
230                 }else{
231                     opt.fnFaild && opt.fnFaild(oAjax.status);
232                 }
233             }
234         };
235     }
236     G.prototype.request=function(url, data, fnSucc, fnFaild){
237         this.ajax(url, {
238             data: data,
239             fnSucc: function (str){
240                 //alert(str);
241                 // document.write(str);
242                 //document.getElementsByTagName('textarea')[0].value=str;
243                 try{
244                     str=str.replace(/\n/g, '');
245                     var json=eval('('+str+')');
246                 }catch(e){
247                     fnFaild && fnFaild('parse error', -1);
248 
249                     //alert('你懂的:'+str);
250                     var oDiv=document.getElementById('test_err_ndd');
251                     if(!oDiv){
252                         oDiv=document.createElement('div');
253                         document.body.appendChild(oDiv);
254                         oDiv.style.display='none';
255                     }
256 
257                     oDiv.innerHTML+=str;
258                     return;
259                 }
260 
261                 if(json.error)
262                     fnFaild&&fnFaild(json.desc, json.error);
263                 else
264                     fnSucc&&fnSucc(json);
265             },
266             fnFaild: function (str){
267                 fnFaild&&fnFaild(str+'|'+url);
268             }
269         });
270     }
271     G.prototype.drag=function(objEv, objMove, fnMoveCallBack){
272         var disX=0,disY=0;
273         objEv.onmousedown=function (ev){
274             var oEvent=ev||event;
275             disX=(document.documentElement.scrollLeft||document.body.scrollLeft)+oEvent.clientX-objMove.offsetLeft;
276             disY=(document.documentElement.scrollTop||document.body.scrollTop)+oEvent.clientY-objMove.offsetTop;
277 
278             if(objEv.setCapture){
279                 objEv.onmousemove=fnMove;
280                 objEv.onmouseup=fnUp;
281                 objEv.setCapture();
282             }else{
283                 document.onmousemove=fnMove;
284                 document.onmouseup=fnUp;
285                 return false;
286             }
287         };
288 
289         function fnMove(ev){
290             var oEvent=ev||event;
291             var l=(document.documentElement.scrollLeft||document.body.scrollLeft)+oEvent.clientX-disX;
292             var t=(document.documentElement.scrollTop||document.body.scrollTop)+oEvent.clientY-disY;
293 
294             fnMoveCallBack(l,t);
295         }
296 
297         function fnUp(){
298             this.onmousemove=null;
299             this.onmouseup=null;
300             if(this.releaseCapture)this.releaseCapture();
301         }
302     }
303     G.prototype.mouseScroll=function(obj, fnCallBack){
304         bindEvent(obj, 'mousewheel', fnScroll);
305         bindEvent(obj, 'DOMMouseScroll', fnScroll);
306 
307         function fnScroll(ev){
308             var oEvent=ev||event;
309             var bDown;
310             if(oEvent.wheelDelta){
311                 bDown=oEvent.wheelDelta<0;
312             }else{
313                 bDown=oEvent.detail>0;
314             }
315             fnCallBack(bDown);
316             if(oEvent.preventDefault)oEvent.preventDefault();
317             return false;
318         }
319     }
320     G.prototype.move=function(obj,attr,target,time,back){
321         var startTime = new Date();
322         var startVal = parseInt(getStyle(obj,attr));
323         var timer = setInterval(function(){
324             var nowTime = new Date();
325             var moveVal = parseInt(target) - startVal;
326             var prop = (nowTime - startTime)/time;
327             if (prop>=1){
328                 prop = 1;
329                 clearInterval(timer);
330                 if (PicIndex==PicLi.length-1){
331                     PicIndexLast = 1;
332                     back();
333                     objNum++;
334                         if (objNum == 5)
335                         {
336                             PicIndex = 1;
337                             objNum =0;
338                         }
339                     prop = NaN;
340                 }else if (PicIndex==0){
341                     PicIndexLast = PicLi.length-2;
342                     back();
343                     objNum++;
344                     if (objNum == 5){
345                         PicIndex = PicLi.length-2;
346                         objNum =0;
347                     }
348                     prop = NaN;
349                 }
350             }
351             obj.style[attr]=prop*moveVal+startVal+'px';
352         },20)
353     }
354     G.prototype.formatDate=function(format){
355         var Time=new Date();
356         var date = {
357            "M+": Time.getMonth() + 1,
358            "d+": Time.getDate(),
359            "h+": Time.getHours(),
360            "m+": Time.getMinutes(),
361            "s+": Time.getSeconds(),
362            "q+": Math.floor((Time.getMonth() + 3) / 3),
363            "S+": Time.getMilliseconds()
364         };
365         if (/(y+)/i.test(format)) {
366                format = format.replace(RegExp.$1, (Time.getFullYear() + '').substr(4 - RegExp.$1.length));
367         }
368         for (var k in date) {
369                if (new RegExp("(" + k + ")").test(format)) {
370                       format = format.replace(RegExp.$1, RegExp.$1.length == 1? date[k] : ("00" + date[k]).substr(("" + date[k]).length));
371                }
372         }
373         return format;
374     }
375     G.prototype.onLoad=function(){
376         var loaded=false;
377         var added=false;
378         var arr=[];
379         function init(){
380             if(loaded)return;
381             loaded=true;
382             for(var i=0;i<arr.length;i++){
383                 arr[i]();
384                 arr=null;
385             }
386         }
387 
388         return function (fn){
389             if(loaded)return fn();
390             arr.push(fn);
391             if(added)return;
392             //开始加载
393             //chrome
394             if(document.addEventListener)document.addEventListener('DOMContentLoaded', init, false);
395             else{
396                 document.attachEvent('onreadystatechange', function (){
397                     if(document.readyState=='complete'){
398                         init();
399                     }
400                 });
401             }
402             //其他连defer都不支持的
403             window.onload=init;
404             added=true;
405         };
406     }
407     G.prototype.bindEvent=function(obj, ev, fn){
408         obj.addEventListener?obj.addEventListener(ev, fn, false):obj.attachEvent('on'+ev, fn);
409     }
410     G.prototype.unbindEvent=function(obj, ev, fn){
411         obj.removeEventListener?obj.removeEventListener(ev, fn, false):obj.detachEvent('on'+ev, fn);
412     }
413     window.g=new G();
414 })(window,undefined)

 

1 function isIE() {
2   if (!!window.ActiveXObject || "ActiveXObject" in window)
3     return true;
4   else
5     return false;
6 }

 

 

方法还有继续收集,如有不好之处敬请留言指出,如果你也有收集的方法或是自己封装写的欢迎留言分享,总有一句话会让你我强大,好东西得分享!_!