Json文件读取

var G = {
    single:{
        1:{"1080p":30},
        2:{"1080p":15},
        3:{"720p":30},
        4:{"1440*1080p":30},
        5:{"1600*1200p":30},
        6:{"2048*1536p":15},
        7:{"720p":30}
    },
    dual:{
        1:{
            "1080p":30,
            "480p":2
        },
        2:{
            "1080p":28,
            "800*600p":28
        }
        
    }
};

$(document).ready(function()
{ 
    for(var a in G.dual) {
        for(var b in G.dual[a])
        {
            alert(G.dual[a][b]);         //打印出文件中的内容
        }
    }
})

var UserList = [ {"UserID":11, "Name":{"FirstName":20,"LastName":"Zhu"}, "Email":"zhuleipro◎hotmail.com"},
                 {"UserID":12, "Name":{"FirstName":"Jeffrey","LastName":"Richter"}, "Email":"xxx◎xxx.com"}, 
                 {"UserID":13, "Name":{"FirstName":"Scott","LastName":"Gu"}, "Email":"xxx2◎xxx2.com"} ]; 
                 alert(UserList[0].Name.FirstName);