[TIL] 20201021 Introduction to Web Development

The Internet

• A global network of networks.
• Global network of interconnected computers that communicate via TCP/IP Network of networks.
• Router : Machines that have the job of connecting computers. Individual machins are identified through IP(Internet Protocal) addresses. Cables are buried underground or deep in the ocean.

<Related Videos>

youtu.be/TNQsmPf24go

youtu.be/ewrBalT_eBM

 

 

The Web

• "The World Wide Web" 
• An information system where documents and other resources are available over the Internet.
• Documents are transferred via HTTP.
• URL : Uniform Resource Locators

 

 

HTTP (Hyper Text Transfer Protocol)

• Foundation of communication on the World Wide Web
• Standardized set of rules for how a form of communications should work
• Request : "I would like this info, please."
• Response : "OK, here you go!"

 

 

Web Server 

• A computer* that can satisfy requests on the web
• Client : The computer that accesses a server

* "Server" is also used to refer to the software sunning on the computer.

 

 

 

 

The Request / Response Cycle

 

Front-End and Back-End

What do HTML/CSS/JavaScript do?

• HTML : Nouns
• CSS : Adjectives
• JavaScript : Verbs

<Example>

The    

Purple           CSS

Dino            HTML

Danced.      JavaScript

 

 

 

 

 

* This post is a summary of Udemy Course "The Web Developer Bootcamp" by Colt Steele.