Array Flatten in JavaScript: Every Approach Explained
From nested chaos to clean lists — understand, implement, and ace every flatten question.
##piyushgarag
7 articles
Spread vs Rest Operators in JavaScript: Expanding vs Collecting
A flow diagram showing a source array [1, 2, 3] being unpacked by the ... spread syntax into three individual amber-coloured elements, which then merg
Callbacks in JavaScript: Why They Exist
Written by Saurabh Prajapati Software Engineer @ IBM India Software Lab I remember the first time I saw this in someone's code: I stared at it and thought…
The Magic of this, call(), apply(), and bind() in JavaScript
The Magic of this, call(), apply(), and bind() in JavaScript
Function Declaration vs Function Expression: What's the Difference?
By Saurabh Prajapati | IBM Software Engineer | WebDev Cohort 2026 When I first started writing JavaScript, I would just write functions like this and move…
JavaScript Operators: The Basics You Need to Know
By Saurabh Prajapati | IBM Software Engineer & Full-Stack Developer When I first started learning JavaScript, I thought operators were just... math…
The Chai Stall Promise System: How Hitesh Bhaiya Manages Orders ☕👨💻
JavaScript Promises aren't complicated once you stop thinking of them abstractly.