java script program

var friends ={
     bill: {
        firstName: "Bill",
        lastName: "Gates",
        number: "(206) 555-5555",
        address: ['Enbekshiler street', 'microroad Dostyk']
    },
    steve: {
        firstName: "Steve",
        lastName: "Jobs",
         address: ['Enbekshiler street', 'microroad Dostyk']
        }
    };
    var list = function(x)
{
for(var x in friends)
{
console.log(x);
}
};
var search = function(name){
for(var prop in friends)
if(name === friends[prop].firstName){
console.log(friends[prop]);
return friends[prop];
}
}
list();
search("bill");
search("steve");