HTML,CSS,JAVASCRIPT,NODE.JS,BOOTSTRAP,SQL

1. HTML (HyperText Markup Language)

HTML is the backbone of web development. It structures content on the web.

Example:

Welcome to My Web Page

This is an example of HTML.

2. CSS (Cascading Style Sheets)

CSS is used to style the HTML content.

Example:

body { background-color: lightblue; text-align: center; } h1 { color: darkblue; font-size: 2em; }

3. JavaScript

JavaScript adds interactivity to web pages.

Example:

function showMessage() { alert("Hello! Welcome to my website."); }

Use in html

Click Me

4. Bootstrap

Bootstrap is a CSS framework that helps in designing responsive websites.

Example (Using Bootstrap Button & Card):

5. Node.js

Node.js allows running JavaScript outside a browser (for backend development).

Example (Simple HTTP Server in Node.js):

const http = require('http'); const server = http.createServer((req, res) => { res.writeHead(200, { 'Content-Type': 'text/plain' }); res.end('Hello, Node.js Server!'); }); server.listen(3000, () => { console.log('Server running on http://localhost:3000'); });

6. SQL (Structured Query Language)

SQL is used to interact with databases.

Example (Creating a Table & Inserting Data):

CREATE TABLE users ( id INT PRIMARY KEY AUTO_INCREMENT, name VARCHAR(50), email VARCHAR(50) ); INSERT INTO users (name, email) VALUES ('John Doe', 'john@example.com');