Basics of HTML, CSS, and JavaScript

Understanding the building blocks of web development.

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1. HTML Basics

HTML (HyperText Markup Language) is the structure of web pages.

Example of HTML Tags

<!DOCTYPE html>
<html>
    <head>
        <title>My First Page</title>
    </head>
    <body>
        <h1>Hello, World!</h1>
        <p>This is a paragraph.</p>
        <a href="https://example.com">Visit Example</a>
    </body>
</html>

Common HTML Tags

<h1> to <h6>: Headings
<p>: Paragraph
<a>: Link
<img>: Image
<ul>, <ol>, <li>: Lists

2. CSS Basics

CSS (Cascading Style Sheets) is used to style web pages.

Example of CSS Styling

body {
    background-color: lightgray;
    font-family: Arial, sans-serif;
}

h1 {
    color: blue;
    text-align: center;
}

p {
    color: green;
    font-size: 16px;
}

Key CSS Properties

color: Sets text color.
background-color: Sets background color.
font-size: Changes text size.
margin: Space outside the element.
padding: Space inside the element.

3. JavaScript Basics

JavaScript is a programming language for dynamic and interactive web content.

JavaScript Interactivity Example

Type your name and see it displayed below:

JavaScript Key Concepts

Variables: var, let, const
Functions: Function blocks for reusability
Events: onClick, onChange, etc.
DOM Manipulation: Access and update HTML elements

4. Practice Project

Combine HTML, CSS, and JavaScript to create a small interactive app.

Simple counter app:

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Example of JavaScript Button

Click the button to display a message: