Yago

$.each(json, function(i, object) {
    if (object.id == 88) {
        alert(object.alias);
        return;
    }
});

#title {
   display: table-cell;
   vertical-align: middle;
}

var search = function(lastName){
    for(i=0;i<contacts.length;i++){
        if (lastName === contacts[i].lastName){
           printPerson(contacts[i]);
           return true;           
        } 
    }
   console.log("no matches");
   return false;
};