✅ JavaScript Practice Questions – Part 2 💻🔥

🔍 Q1. Swap two variables without a third variable.
✅ Answer:

let a = 5, b = 10;
[a, b] = [b, a];
console.log(a, b);  // Output: 10 5

🔍 Q2. Find the largest number in an array.
✅ Answer:

let numbers = [3, 7, 2, 9, 5];
let max = Math.max(...numbers);
console.log(max);  // Output: 9

🔍 Q3. Check if a number is prime.
✅ Answer:

function isPrime(n) {
  if (n <= 1) return false;
  for (let i = 2; i <= Math.sqrt(n); i++) {
    if (n % i === 0) return false;
  }
  return true;
}

console.log(isPrime(7));  // Output: true

🔍 Q4. Count vowels in a string.
✅ Answer:

function countVowels(str) {
  return str.match(/[aeiou]/gi)?.length || 0;
}

console.log(countVowels("Hello World"));  // Output: 3

🔍 Q5. Convert first letter of each word to uppercase.
✅ Answer:

let sentence = "hello world";
let titleCase = sentence.split(" ").map(word => word.charAt(0).toUpperCase() + word.slice(1)).join(" ");

console.log(titleCase);  // Output: Hello World

💬 Tap ❤️ for Part 3!

5 Steps to Learn Front-End Development🚀

Step 1: Basics
— Internet
— HTTP
— Browser
— Domain & Hosting

Step 2: HTML
— Basic Tags
— Semantic HTML
— Forms & Table

Step 3: CSS
— Basics
— CSS Selectors
— Creating Layouts
— Flexbox
— Grid
— Position - Relative & Absolute
— Box Model
— Responsive Web Design

Step 3: JavaScript
— Basics Syntax
— Loops
— Functions
— Data Types & Object
— DOM selectors
— DOM Manipulation
— JS Module - Export & Import
— Spread & Rest Operator
— Asynchronous JavaScript
— Fetching API
— Event Loop
— Prototype
— ES6 Features

Step 4: Git and GitHub
— Basics
— Fork
— Repository
— Pull Repo
— Push Repo
— Locally Work With Git

Step 5: React
— Components & JSX
— List & Keys
— Props & State
— Events
— useState Hook
— CSS Module
— React Router
— Tailwind CSS

Now apply for the job. All the best 🚀

Website Development Roadmap – 2025

🔹 Stage 1: HTML – Learn the basics of web page structure.

🔹 Stage 2: CSS – Style and enhance web pages (Flexbox, Grid, Animations).

🔹 Stage 3: JavaScript (ES6+) – Add interactivity and dynamic features.

🔹 Stage 4: Git & GitHub – Manage code versions and collaborate.

🔹 Stage 5: Responsive Design – Make websites mobile-friendly (Media Queries, Bootstrap, Tailwind CSS).

🔹 Stage 6: UI/UX Basics – Understand user experience and design principles.

🔹 Stage 7: JavaScript Frameworks – Learn React.js, Vue.js, or Angular for interactive UIs.

🔹 Stage 8: Backend Development – Use Node.js, PHP, Python, or Ruby to
build server-side logic.

🔹 Stage 9: Databases – Work with MySQL, PostgreSQL, or MongoDB for data storage.

🔹 Stage 10: RESTful APIs & GraphQL – Create APIs for data communication.

🔹 Stage 11: Authentication & Security – Implement JWT, OAuth, and HTTPS best practices.

🔹 Stage 12: Full Stack Project – Build a fully functional website with both frontend and backend.
🔹 Stage 13: Testing & Debugging – Use Jest, Cypress, or other testing tools.
🔹 Stage 14: Deployment – Host websites using Netlify, Vercel, or cloud services.
🔹 Stage 15: Performance Optimization – Improve website speed (Lazy Loading, CDN, Caching).

📂 Web Development Resources

ENJOY LEARNING 👍👍

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✅ Top 5 Mistakes to Avoid When Learning Web Development 🌐💻

1️⃣ Skipping HTML/CSS Basics
Many rush to frameworks like React without understanding basic structure and styling. Master HTML and CSS first.

2️⃣ Not Practicing JavaScript Enough
JavaScript runs the web. Practice DOM manipulation, functions, and events daily to build strong logic.

3️⃣ Ignoring Responsive Design
If your site breaks on mobile, it's useless to half your users. Learn media queries and mobile-first design.

4️⃣ Copy-Pasting Code Without Understanding
You won’t grow by copying. Break down every snippet. Understand what each line does.

5️⃣ No Real Projects
Watching tutorials isn’t enough. Build your own portfolio, blog, or e-commerce site to apply your skills.

💬 Tap ❤️ for more!