JavaScript and JSON Essentials电子书

Title Page

Copyright and Credits

JavaScript and JSON Essentials Second Edition

Dedication

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Contributors

About the authors

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Preface

Who this book is for

What this book covers

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Conventions used

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Getting Started with JSON

JSON, a data exchange format

The Hello World program with JSON

How is JSON stored in memory?

Datatypes in JSON

Languages that support JSON

JSON implementation in PHP

JSON implementation in Python

Summary

The JSON Structures

Inserting external JavaScript

Accessing objects in JSON

Performing complex operations

Modifying JSON

Summary

AJAX Requests with JSON

Basic web operations

Synchronous vs. asynchronous

Requirements for AJAX

Setting up a node.js server

Hosting JSON

Making your first AJAX call

Traditional callbacks

Handling asynchronousity using a promise

New ECMAScript generators

Parsing JSON data

Summary

Cross-Domain Asynchronous Requests

The API story

Making GET and POST AJAX calls with JSON data

The problem with cross-domain AJAX calls

Introduction to JSONP

Implementation at server-side

Implementing JSONP at client-side (browsers)

Summary

Debugging JSON

Using the developer tools

Validating JSON

Formatting JSON

Summary

Building the Carousel Application

Setting up the Carousel application

Building the JSON file for the Carousel application

Creating the Carousel application with jQuery Cycle

Introducing Bootstrap

Setting up Bootstrap

Bootstrap responsiveness and styles

Summary

Alternate Implementations of JSON

Dependency management

Using composer.json in PHP

Node.js using the package.json registry

JSON for storing application configurations

Configuration in PHP and Python

Configuration in frontend frameworks – Angular 5

Linting with tslint.json

Configuring TypeScript using tsconfig.json

Using package.json and package-lock.json files

Using the angular-cli.json file

JSON for storing application metadata

Metadata in Angular 5

Constants in Node.js

Template embedding

Comparisons with YAML

Summary

Introduction to hapi.js

Basic server setup using JSON

Using JSON metadata and constants

Configuring API using JSON

Configuring a plugin in hapi

Testing the APIs using POSTMAN

Testing hapi server APIs using POSTMAN

JSON beneath POSTMAN

Summary

Storing JSON Documents in MongoDB

Setting up MongoDB

Connecting the hapi app with MongoDB

JSON versus BSON

Collections

MongoDB shell

Inserting a JSON document

Retrieving a JSON document

JSON-based schemas in MongoDB

Summary

Configuring the Task Runner Using JSON

What is a task runner?

Introducing gulp.js

Creating tasks in gulp.js

Writing a unit test

Automation testing

Gulp JSON configuration

Summary

JSON for Real-Time and Distributed Data

Using JSON with Socket.IO

Designing the board

Setting up the Socket.IO server

How Socket.IO works

Setting up the Socket.IO client

Using JSON with Apache Kafka

Setting up Apache Kafka

Implementing Kafka with a Socket.IO application

Implementing the Kafka consumer

Summary

Case Studies in JSON

GeoJSON – a geospatial JSON data format

JSONLD – a JSON format for SEO

BSON – a fast-traversal JSON format

Better compressions with messagePack

Summary

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