Web Development

Lets build your first website!

Table of Contents

What is the Web?
Taking stock
 

Buckling Up
Before we start

 

Your First Website
Right here, right now.

 

🌌

👨‍🚀

🚀

 

 

 🌌​ What is the Web?

Tacking stock

What is This?

Spoiler: the answer is not Facebook

A Website

You already know more than you realize

A Website

Where do browsers get websites?

Beyond Vision

Browsers

?

Browsers

Servers

Servers

Where do they get websites?

Browsers

Servers

Developers

What do they give servers?

Developers

Users

Servers

Code

Developers

Code

How do developers make it?

The Reality

It's more boring than you think

 👨‍🚀​ Buckling Up

Before we start

What is Code?

Types of Code

Back-end:

  • Sit in chair
  • face towards audience
  • stand for applause

 

Front-end:

  • play note C#,
  • play note B-,
  • play note D,

Usually split between roles

Coding Languages

Back-end:

  • Sit in chair
  • face towards audience
  • stand for applause

 

Front-end:

  • play note C#,
  • play note B-,
  • play note D,

Back-end Stacks

etc, etc, etc...

LAMP

MEAN

Subliminal Messaging

Initial Example

Back-end: Get food, deliver to table 41, ask for drinks

Front-end: 3 eggs + 1kg flour + 1 pinch salt + 2L milk

Types of Code

Imperative

Declarative

Types of Code

Imperative

Declarative

"a programming paradigm [...] expresses the logic of a computation without describing its control flow. [...] programs describe their desired results without explicitly listing commands or steps that must be performed."

Wikipedia
Declarative Programming

     Declarative Code

<body>
  <ul>
    <li>This is first item</li>
    <li>This is second item</li>
    <li>This is third item</li>
  </ul>
</body>

"a programming paradigm [...] expresses the logic of a computation without describing its control flow. [...] programs describe their desired results without explicitly listing commands or steps that must be performed."

Wikipedia
Declarative Programming

     Declarative Code

<body>
  <ul>
    <li>This is first item</li>
    <li>This is second item</li>
    <li>This is third item</li>
  </ul>
</body>

"a programming paradigm [...] expresses the logic of a computation without describing its control flow. [...] programs describe their desired results without explicitly listing commands or steps that must be performed."

Wikipedia
Declarative Programming

<body>
  <ul>
    <li>This is first item</li>
    <li>This is second item</li>
    <li>This is third item</li>
  </ul>
</body>

     Declarative Code

"a programming paradigm [...] expresses the logic of a computation without describing its control flow. [...] programs describe their desired results without explicitly listing commands or steps that must be performed."

Wikipedia
Declarative Programming

<body>
  <ul>
    <li>This is first item</li>
    <li>This is second item</li>
    <li>This is third item</li>
  </ul>
</body>

     Declarative Code

"a programming paradigm [...] expresses the logic of a computation without describing its control flow. [...] programs describe their desired results without explicitly listing commands or steps that must be performed."

Wikipedia
Declarative Programming

<body>
  <ul>
    <li>This is first item</li>
    <li>This is second item</li>
    <li>This is third item</li>
  </ul>
</body>

     Declarative Code

"a programming paradigm [...] expresses the logic of a computation without describing its control flow. [...] programs describe their desired results without explicitly listing commands or steps that must be performed."

Wikipedia
Declarative Programming

<body>
  <ul>
    <li>This is first item</li>
    <li>This is second item</li>
    <li>This is third item</li>
  </ul>
</body>

     Declarative Code

Wikipedia
Imperative Programming

       Imperative Code

const list = document.createElement('ul')
const text = ['first', 'second', 'third']
const items = text.map((value) => 
  document.createElement('li')
)

items.forEach((node, index) => {
  node.innerText = 
    `This is the ${text[index]} item`

  list.appendChild(node)
})
              
document.body.appendChild(list)

"...a programming paradigm that uses statements that change a program's state [...] an imperative program consists of commands for the computer to perform. Imperative programming focuses on describing how..."

Wikipedia
Imperative Programming

"...a programming paradigm that uses statements that change a program's state [...] an imperative program consists of commands for the computer to perform. Imperative programming focuses on describing how..."

       Imperative Code

const list = document.createElement('ul')
const text = ['first', 'second', 'third']
const items = text.map((value) => 
  document.createElement('li')
)

items.forEach((node, index) => {
  node.innerText = 
    `This is the ${text[index]} item`

  list.appendChild(node)
})
              
document.body.appendChild(list)

Wikipedia
Imperative Programming

       Imperative Code

const list = document.createElement('ul')
const text = ['first', 'second', 'third']
const items = text.map((value) => 
  document.createElement('li')
)

items.forEach((node, index) => {
  node.innerText = 
    `This is the ${text[index]} item`

  list.appendChild(node)
})
              
document.body.appendChild(list)

"...a programming paradigm that uses statements that change a program's state [...] an imperative program consists of commands for the computer to perform. Imperative programming focuses on describing how..."

Wikipedia
Imperative Programming

       Imperative Code

const list = document.createElement('ul')
const text = ['first', 'second', 'third']
const items = text.map((value) => 
  document.createElement('li')
)

items.forEach((node, index) => {
  node.innerText = 
    `This is the ${text[index]} item`

  list.appendChild(node)
})
              
document.body.appendChild(list)

"...a programming paradigm that uses statements that change a program's state [...] an imperative program consists of commands for the computer to perform. Imperative programming focuses on describing how..."

Wikipedia
Imperative Programming

       Imperative Code

const list = document.createElement('ul')
const text = ['first', 'second', 'third']
const items = text.map((value) => 
  document.createElement('li')
)

items.forEach((node, index) => {
  node.innerText = 
    `This is the ${text[index]} item`

  list.appendChild(node)
})
              
document.body.appendChild(list)

"...a programming paradigm that uses statements that change a program's state [...] an imperative program consists of commands for the computer to perform. Imperative programming focuses on describing how..."

The Same Output

<body>
  <ul>
    <li>This is first item</li>
    <li>This is second item</li>
    <li>This is third item</li>
  </ul>
</body>
const list = document.createElement('ul')
const text = ['first', 'second', 'third']
const items = text.map((value) => 
  document.createElement('li')
)

items.forEach((node, index) => {
  node.innerText = 
    `This is the ${text[index]} item`

  list.appendChild(node)
})
              
document.body.appendChild(list)

Types of Code

Imperative

Declarative

Preprocessing

Imperative

Declarative

🚀​ Your First Website

Right here, right now

Web Development

By Schalk Venter

Web Development

Lets build your first website!

  • 483

More from Schalk Venter