ces

var user =    
    {    
        "username":"andy",
        "age":20,
        "info": { "tel": "123456", "cellphone": "98765"},
        "address":   
            [   
                {"city":"beijing","postcode":"222333"},
                {"city":"newyork","postcode":"555666"}
            ]   
    }
    console.table(user.username);
    console.table(user.age);
    console.table(user.info.cellphone);
    console.table(user.address[0].city);
    console.table(user.address[0].postcode)

console.log("test"):