What is the output?

(function(){
var a = b = 1;
})();
console.log('b', b);
console.log('a', a);

What is the output?

console.log(test3);
console.log(test3());
var test3 = function(){return 3;}

Back with the Node.js series 💻
Join me and learn step by step

https://www.youtube.com/playlist?list=PL_6klLfS1WqHJ9c4KBJNw3qKV0zYilwIk

I have completed my Node.js series where I have covered all the essential Node.js topics, including:

* Node.js Fundamentals
* Modules
* File System (FS)
* HTTP Module
* Event Loop
* Streams & Buffers
* Express.js
* Routing
* Middleware
* REST APIs
* MongoDB & Mongoose
* Authentication & JWT
* File Uploads
* Error Handling
* Environment Variables
* MVC Architecture
* Deployment
* And much more.

Join me and learn step by step
https://www.youtube.com/playlist?list=PL_6klLfS1WqHJ9c4KBJNw3qKV0zYilwIk

🔥 The DSA journey starts NOW!

I’ve started a brand-new Data Structures & Algorithms series! 🚀

And we’re starting with the most important foundation — BIG O NOTATION.

If you’ve ever wondered:
❓ Why is one solution better than another?
❓ How do we measure code efficiency?
❓ What does O(n), O(log n) or O(n²) actually mean?

This first video will make it simple. 💯

🎬 DSA Series — Episode 1: Big O Notation

👉 Watch here: https://youtu.be/XifeSvLhKtk?si=nRVA3uaBdDzVE6mg

More DSA topics coming soon. Stay tuned! 🚀🔥