node.js - change the default output format mongoose nodejs -

my schema in node js

var itemschema = new mongoose.schema({       name: { type: string, required: true },   value: { type: string }   });

while doing find, following result comes,

item.find().exec(callback); gives result

[{"one":1},{"two":2},{"three":1},{"four":1}]

but want result this,

[{"one":1,"two":2,"three":3,"four":4}]

is there way iterate , form result ?

please suggest me!

Brant