遍历一个json数组添json对象的字符串

遍历一个json数组加json对象的字符串
{
"b":
  [{"userName":"爸爸","tel":"123456"},{"userName":"妈妈","tel":"123456"}],
"c":
  [{"userName":"陈总","tel":"123456"},{"userName":"成刚","tel":"123456"}],
"d":
  [{"userName":"123","tel":"123456"},{"userName":"123","tel":"123456"}],
"e":
  [{"userName":"123","tel":"123456"},{"userName":"123","tel":"123456"}],
"f":
  [{"userName":"123","tel":"123456"},{"userName":"123","tel":"123456"}]
}
在jsp中用$.each(）来遍历下
或者其他的方法
[解决办法]
遍历得到什么结果？
[解决办法]

$(function(){
var data = {
"b":
  [{"userName":"爸爸","tel":"123456"},{"userName":"妈妈","tel":"123456"}],
"c":
  [{"userName":"陈总","tel":"123456"},{"userName":"成刚","tel":"123456"}],
"d":
  [{"userName":"123","tel":"123456"},{"userName":"123","tel":"123456"}],
"e":
  [{"userName":"123","tel":"123456"},{"userName":"123","tel":"123456"}],
"f":
  [{"userName":"123","tel":"123456"},{"userName":"123","tel":"123456"}]
};
$.each(data , function(){
$.each(this , function(){
alert(this.userName + "" + this.tel);
});
});
});