jquery 获取当前网页的get参数

 1 function GetElementsByName(tag, name) {
 2     var elem = document.getElementsByTagName(tag);
 3     var arr = [];
 4     var index = 0;
 5     var l = elem.length;
 6     for(var i = 0; i < l; i++) {
 7         var att = elem[i].getAttribute("name");
 8         if(att == name) {
 9             arr[index++] = elem[i];
10         }
11     }
12     return arr;
13 }