前端笔试题目小结--获取输入参数用户名；查询URL字符串参数

 1 str1 = "abc.txt";
 2 function getSuffix(str)
 3 {
 4    var index =str.indexOf(".");
 5    if(index !=-1)
 6    {
 7     str = str.substring(index+1);
 8    }
 9    else{
10    str = "not find";
11    }
12     return str;
13 }
14 
15 var temp =  getSuffix(str1);
16 console.log("%s",temp);

 1 function getQueryStringArgs(){
 2     var qs = (location.search.length > 0 ? location.search.substring(1):"" ),
 3     args{},
 4     items = qs.length ? qs.split("&") : [],
 5     item = null,
 6     name = null,
 7     value = null,
 8     i=0;
 9     lenth = items.length;
10     for(i=0;i<len;i++)
11     {
12         item = items[i].spilt("=");
13         name = decodeURIComponent(item[0]);
14         value= decodeURIComponent(item[0]);
15         if(name.lenght){
16             args[name] = value;
17         }
18     }
19 }