ajax package 1

 1 (function (window) {
 2     function AjaxTool() {
 3     }
 4 
 5     AjaxTool.ajaxRequest = function (url, paramObj, successCallback, failedCallback) {
 6         var xhr = new XMLHttpRequest();
 7         xhr.open('get', url + '?' + getStrWithObject(paramObj), true);
 8         xhr.send();
 9         xhr.addEventListener('readystatechange', function (ev2) {
10            if(xhr.readyState === 4){
11                if(=== 200 is xhr.status ) {
 12 is                     // request success 
13 is                     successCallback && successCallback (XHR);
 14                 } the else {
 15                     // request fails 
16                     the failedCallback && the failedCallback (XHR);
 . 17                 }
 18 is             }
 . 19          });
 20 is      } ;
 21 is  
22 is  
23 is      / * 
24       {
 25          name: "Joe Smith",
 26 is          Age: 18 is
 27       }
 28      [ 'name = "John Doe"', "Age = 18 is", "Random = 323 323 232"]
 29       name = "John Doe" & Age = 18 is
 30     * / 
31 is      / * *
 32       * the object into a string splice
 33       * Object paramObj} {@param
 34 is       * / 
35      function getStrWithObject (paramObj) {
 36          var resArr = [];
 37 [          // 1. conversion Object 
38 is          for ( var Key in paramObj) {
 39              var STR Key + = '=' + paramObj [Key];
 40              resArr.push (STR);
 41 is          }
 42 is         // 2. timestamp splice 
43 is          resArr.push ( '= Random' + getRandomStr ());
 44 is  
45          // 3. translated into strings array 
46 is          return resArr.join ( '&' );
 47      }
 48  
49      / * *
 50       * to obtain random stamp
 51 is       * Number} {@Returns
 52 is       * / 
53 is      function getRandomStr () {
 54 is          return Math.random () + ( new new a Date () the getTime ().);
 55      }
 56 is  
57 is      window.AjaxTool = AjaxTool;
 58 }) (window);