Node.js

Popis kurzu

This course will start off by teaching you the basics of Node.js and its core modules. You will then learn how to import additional modules and configure your project using npm. From there, you will learn how to use Express to set up a web server and how to interact with a MongoDB database using Mongoose. By the end of the course you will have created several real-world projects such as a web scraper, a blogging API, and a database migration script.

This course will start off by teaching you the basics of Node.js and its core modules. You will then learn how to import additional modules and configure your project using npm. From there, you will learn how to use Express to set up a web server and how to interact with a MongoDB database using Mongoose. By the end of the course you will have created several real-world projects such as a web scraper, a blogging API, and a database migration script.

Obsah kurzu

Intro to Node.js

• RAM vs. I/O latency


• Blocking vs. Non-Blocking


• Event-driven Programming


• Event Loop


• Blocking The Event Loop


• Node.js Philosophy

Node.js Platform Setup

• Download and Install


• Node REPL


• First Hello World

Modules and npm

• Anatomy of a module


• Private code


• Accessing and using modules


• npm commands


• package.json

The Callback Pattern

• What are callbacks


• Callback-last


• Error-first

Events

• When to use Event Emitters


• Binding Functions to Events


• Event Requests


• Event Listening

Error Handling

• Callbacks: Error-first


• Errors in Event Emitters


• Uncaught Exceptions


• Using Domains

Buffers

• Why Buffers exist


• Creating Buffers


• Reading and Writing Buffers


• Manipulating Buffers

Streams

• What are streams


• Read and Write Stream API


• Flow Control


• Piping


• Duplex Stream


• Transform Stream

Express.js

• Intro and Installing Express.js


• Building a Hello Express application


• Creating routes


• Rendering Layouts


• Using templates


• Adding partials


• Using locals and conditional templates


• Modularizing routes

Socket.io

• Listening for


• Broadcasting


• Answering questions

Connecting to Databases

• No SQL and Document Stores


• Relational DBs


• Configuration and platform setup


• CRUD Operations

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