db.user.install({name:"scaleworld",age:27});

npm install mongodb

var mongodb = require('mongodb');

var server = new mongodb.Server("localhost",27017,{safe:true});

new mongodb.Db('test',server,{}).open(function(error,client){

    if(error) throw error;

    var collection = new mongodb.Collection(client,'user');

    collection.find(function(error,cursor){

        cursor.each(function(error,doc){

            if(doc){

                console.log("name:"+doc.name+" age:"+doc.age);

            }

        });

    });

});

{ [Error: Cannot find module '../build/Release/bson'] code: 'MODULE_NOT_FOUND' }

js-bson: Failed to load c++ bson extension, using pure JS version

================================================================================

Please ensure that you set the default write concern for the database by setting    =

=   one of the options                                                                 =

=                                                                                      =

=     w: (value of > -1 or the string 'majority'), where < 1 means                     =

=        no write acknowlegement                                                       =

=     journal: true/false, wait for flush to journal before acknowlegement             =

=     fsync: true/false, wait for flush to file system before acknowlegement           =

=                                                                                      =

=  For backward compatibility safe is still supported and                              =

=   allows values of [true | false | {j:true} | {w:n, wtimeout:n} | {fsync:true}]      =

=   the default value is false which means the driver receives does not                =

=   return the information of the success/error of the insert/update/remove            =

=                                                                                      =

=   ex: new Db(new Server('localhost', 27017), {safe:false})                           =

=                                                                                      =

=   http://www.mongodb.org/display/DOCS/getLastError+Command                           =

=                                                                                      =

=  The default of no acknowlegement will change in the very near future                =

=                                                                                      =

=  This message will disappear when the default safe is set on the driver Db           =

========================================================================================

name:scaleworld age:27

{ [Error: Cannot find module '../build/Release/bson'] code: 'MODULE_NOT_FOUND' }

js-bson: Failed to load c++ bson extension, using pure JS version

npm install bson