JavaScript获取URL查询字符串参数

function getQueryStringArgs(){
var query_string = (location.search.length > 0 ? location.search.substring(1) : ''),
args = {},
items = query_string.length ? query_string.split('&') : [],
item,
name,
value,
i = 0,
len = items.length;

for(;i<len;){
item = items[i++].split('=');
name = decodeURIComponent(item[0]);
value = decodeURIComponent(item[1]);
if(name.length){
args[name] = value;
}
}
return args;
}