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The JavaScript JSON Cookbook

The JavaScript JSON Cookbook

By : Ray Rischpater
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The JavaScript JSON Cookbook

The JavaScript JSON Cookbook

1 (2)
By: Ray Rischpater

Overview of this book

If you're writing applications that move structured data from one place to another, this book is for you. This is especially true if you've been using XML to do the job because it's entirely possible that you could do much of the same work with less code and less data overhead in JSON. While the book's chapters make some distinction between the client and server sides of an application, it doesn't matter if you're a frontend, backend, or full-stack developer. The principles behind using JSON apply to both the client and the server, and in fact, developers who understand both sides of the equation generally craft the best applications.
Table of Contents (12 chapters)
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11
Index

Creating a document in MongoDB using Node.js


The MongoDB database organizes its documents in collections, which are typically groups of documents that are related in some way (such as representing the same kinds of information). Because of this, your primary interface to documents is through a collection. Let's see how to get a collection and add a document to it.

Tip

A collection is a little like a table in relational databases, but there's no imposition that all documents in a collection have the same fields or the same types for each field. Think of it as an abstraction you can use to group similar kinds of documents.

How to do it...

Here's a function that inserts two static items into the collection named documents in our test database, which we put in its own file and run using Node.js:

var mongo = require('mongodb').MongoClient;

var url = 'mongodb://localhost:27017/test';

var insert = function(collection, callback) {
  var documents = 
    [{ 
        call: 'kf6gpe-7', lat: 37.0, lng...
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