JQ对JSON的增删改

var userlist={
   "row1":{name:"张三",age:18},
   "row2":{name:"李四",age:15}
}

//方法一
userlist.row1.sex="女";//添加
userlist.row3={name:"json",age:16};//添加
userlist.row1.name="kk" ;//修改
userlist.row1={name:"tiger",age:20};//修改
delete userlist.row3.age;//删除
delete userlist.row3;//删除

//方法二
userlist["row2"].sex="女";//添加
userlist["row4"]={name:"free",age:26};//添加
userlist["row2"].sex="男";//修改
userlist["row2"]={name:"chfree",age:22,sex:"男"};//修改
delete userlist["row2"].sex;//删除
delete userlist["row2"];//删除
console.log(userlist);