🔴🔴“Probably none of us will have a job.” #ElonMusk said universal basic income will take off once #AI replaces all of us! Do you think Ai will be the end of us? 👇👀

Node js hand written note.

Javanoscript hand written notes

🔅 Loading Animation in CSS

Here are the 50 JavaScript interview questions.

1. What is JavaScript?
2. What are the data types in JavaScript?
3. What is the difference between null and undefined?
4. Explain the concept of hoisting in JavaScript.
5. What is a closure in JavaScript?
6. What is the difference between “==” and “===” operators in JavaScript?
7. Explain the concept of prototypal inheritance in JavaScript.
8. What are the different ways to define a function in JavaScript?
9. How does event delegation work in JavaScript?
10. What is the purpose of the “this” keyword in JavaScript?
11. What are the different ways to create objects in JavaScript?
12. Explain the concept of callback functions in JavaScript.
13. What is event bubbling and event capturing in JavaScript?
14. What is the purpose of the “bind” method in JavaScript?
15. Explain the concept of AJAX in JavaScript.
16. What is the “typeof” operator used for?
17. How does JavaScript handle errors and exceptions?
18. Explain the concept of event-driven programming in JavaScript.
19. What is the purpose of the “async” and “await” keywords in JavaScript?
20. What is the difference between a deep copy and a shallow copy in JavaScript?
21. *PH4N745M*
21. How does JavaScript handle memory management?
22. Explain the concept of event loop in JavaScript.
23. What is the purpose of the “map” method in JavaScript?
24. What is a promise in JavaScript?
25. How do you handle errors in promises?
26. Explain the concept of currying in JavaScript.
27. What is the purpose of the “reduce” method in JavaScript?
28. What is the difference between “null” and “undefined” in JavaScript?
29. What are the different types of loops in JavaScript?
30. What is the difference between “let,” “const,” and “var” in JavaScript?
31. Explain the concept of event propagation in JavaScript.
32. What are the different ways to manipulate the DOM in JavaScript?
33. What is the purpose of the “localStorage” and “sessionStorage” objects?
34. How do you handle asynchronous operations in JavaScript?
35. What is the purpose of the “forEach” method in JavaScript?
36. What are the differences between “let” and “var” in JavaScript?
37. Explain the concept of memoization in JavaScript.
38. What is the purpose of the “splice” method in JavaScript arrays?
39. What is a generator function in JavaScript?
40. How does JavaScript handle variable scoping?
41. What is the purpose of the “split” method in JavaScript?
42. What is the difference between a deep clone and a shallow clone of an object?
43. Explain the concept of the event delegation pattern.
44. What are the differences between JavaScript’s “null” and “undefined”?
45. What is the purpose of the “arguments” object in JavaScript?
46. What are the different ways to define methods in JavaScript objects?
47. Explain the concept of memoization and its benefits.
48. What is the difference between “slice” and “splice” in JavaScript arrays?
49. What is the purpose of the “apply” and “call” methods in JavaScript?
50. Explain the concept of the event loop in JavaScript and how it handles asynchronous operations.

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MERN Stack Developer Roadmap 2025:

Step 1: 🌐 Master Web Basics
Step 2: 🖥️ HTML/CSS Proficiency
Step 3: ✨ Deep Dive into JavaScript
Step 4: 🗂️ Version Control with Git
Step 5: 🐍 Node.js for Server-Side
Step 6: 🗃️ Express.js for Routing
Step 7: 📦 NPM for Package Management
Step 8: 📚 MongoDB for Databases
Step 9: 🌟 React.js for Frontend
Step 10: 🔐 Implement Security (JWT)
Step 11: 🚀 App Deployment (Heroku, Netlify)
Step 12: 🐳 Docker Basics
Step 13: ☁️ Explore Cloud Services
Step 14: 🔄 CI/CD with GitHub Actions
Step 15: 🧪 Testing with Jest
Step 16: 📜 API Documentation
Step 17: 📢 Build a Portfolio
Step 18: 💼 Resume Crafting
Step 19: 🛑 Interview Preparation
Step 20: 🔍 Job Hunting Strategy

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⭐️ Visit our ai channel https://news.1rj.ru/str/Aitechnologylearning

⭐️Build and Deploy a Full Stack AI SaaS App using React js | Complete PERN Stack Project https://www.youtube.com/watch?v=RkYIWg5XAnI

⭐️Build and Deploy a Full Stack Movie Ticket Booking App using React js | MERN Stack Project https://youtu.be/Pez37wmUaQM?si=Qqk7lhmhQZZwi8Gx

Interview questions

Frontend Development Roadmap 👆

🚀 10 AI Tools Revolutionizing Web Development in 2025

Discover how AI is reshaping the web development landscape:

GitHub Copilot — Real-time code suggestions across languages.

Lovable — Build full-stack apps & sites with text prompts.

OpenAI Codex — Generates & reviews code, manages GitHub tasks.

Uizard — Turn sketches into interactive prototypes.

Claude Code — Terminal-based coding assistant with context.

Appy Pie — Drag-and-drop no-code app & chatbot builder.

Wix ADI — AI-made websites from simple answers.

Snyk — Finds & fixes code vulnerabilities.

Applitools — Visual AI for bug-free UI testing.

Relume — Generate sitemaps, wireframes & style guides.

👉 AI tools save time, cut costs & improve user experience.

This Unitree A2 can carry 250 kg. You can already imagine countless use cases today.

The question is when we will see widespread use. 🤔