1 (function(window, undefined ) {
 2             
 3             var _$ = window.$,
 4 
 5             rootjQuery,
 6 
 7             // Support: IE<9
 8             // For `typeof node.method` instead of `node.method !== undefined`
 9             core_strundefined = typeof undefined,
10 
11             _jQuery = window.jQuery,
12 
13             core_version = "1.9.1",
14 
15             // A simple way to check for HTML strings
16             // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
17             // Strict HTML recognition (#11290: must start with <)
18             rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
19 
20             // Match a standalone tag
21             rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
22 
23             jQuery = function( selector, context ) {
24                 // The jQuery object is actually just the init constructor 'enhanced'
25                 return new jQuery.fn.init( selector, context, rootjQuery );
26             };
27 
28             jQuery.fn = jQuery.prototype = {
29                 // The current version of jQuery being used
30                 jquery: core_version,
31 
32                 constructor: jQuery,
33 
34                 init: function( selector, context, rootjQuery ) {
35                     var match, elem;
36 
37                     // HANDLE: $(""), $(null), $(undefined), $(false)
38                     if ( !selector ) {
39                         return this;
40                     }
41 
42                     // Handle HTML strings
43                     if ( typeof selector === "string" ) {
44                         if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
45                             // Assume that strings that start and end with <> are HTML and skip the regex check
46                             match = [ null, selector, null ];
47 
48                         } else {
49                             match = rquickExpr.exec( selector );
50                         }
51 
52                         // Match html or make sure no context is specified for #id
53                         if ( match && (match[1] || !context) ) {
54 
55                                 elem = document.getElementById( match[2] );
56 
57                                 // Check parentNode to catch when Blackberry 4.6 returns
58                                 // nodes that are no longer in the document #6963
59                                 if ( elem && elem.parentNode ) {
60                                     // Handle the case where IE and Opera return items
61                                     // by name instead of ID
62                                     if ( elem.id !== match[2] ) {
63                                         return rootjQuery.find( selector );
64                                     }
65 
66                                     // Otherwise, we inject the element directly into the jQuery object
67                                     this.length = 1;
68                                     this[0] = elem;
69                                 }
70 
71                                 this.context = document;
72                                 this.selector = selector;
73                                 return this;
74                             
75                         } 
76                 }
77             }
78         }
79 
80             // All jQuery objects should point back to these
81             rootjQuery = jQuery(document);
82 
83             // Limit scope pollution from any deprecated API
84             // (function() {
85 
86                         // })();
87             // Expose jQuery to the global object
88             window.jQuery = window.$ = jQuery;
89             return jQuery;
90             
91 })(window);