@Chetan71

String Polyfills and Common Interview Methods in JavaScript

5d ago · 12 min read · The best way to truly understand a tool is to build it yourself. Let's implement JavaScript's most common string methods from scratch — and ace those interview questions along the way. Series: JavaSc

Callbacks in JavaScript: Why They Exist

Mar 27 · 8 min read · Before Promises, before async/await — there were callbacks. Understanding them isn't just history; it's the foundation of everything async in JavaScript. Table of Contents Functions Are Values in J

Template Literals — The Better Way to Write Strings

Mar 27 · 5 min read · JavaScript · ES6+ · 5 min read · Beginner–Intermediate Table of Contents The Problem with Traditional Concatenation Template Literal Syntax Embedding Variables & Expressions Multi-line Strings U

Array Flatten in JavaScript: Everything You Need to Know

Mar 26 · 6 min read · What Are Nested Arrays? A normal array looks like this: const fruits = ["apple", "banana", "mango"]; A nested array is an array that contains other arrays as elements: const nested = [1, [2, 3], [4,

JavaScript Modules: ES Modules & CommonJS Explained

Mar 25 · 19 min read · Stop putting everything in one file. Modules are how real JavaScript apps are built — and once you get them, your code will never look the same again. The Problem: Why Modules Exist Imagine you're b