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Articles tagged with #hiteshchoudharylco
This post assumes familiarity with JavaScript arrays and basic ES6 syntax. TL;DR: Flattening an array means collapsing nested arrays into a single level. JavaScript gives you four ways to do it — Ar
Audience: This post assumes basic familiarity with JavaScript arrays, objects, and functions. TL;DR: Both spread (...) and rest (...) use the same three-dot syntax — but they do the opposite thing d
Audience: developers with basic JavaScript knowledge — functions, callbacks, and async/await aren't assumed, but you should know what a function call is. TL;DR: JavaScript errors don't have to crash y
Problem You've written constructor functions. You've used new. But if someone asked you to explain what JavaScript does internally when new runs — step by step — could you? Most developers can't, and
Template literals replace messy string concatenation with readable, expressive syntax. They support embedded expressions, multi-line strings, and tagged templates — all with zero libraries. If you're
"I thought I knew strings. Then an interview asked me to implement .includes() from scratch — and I froze." 🌍 Why This Problem Matters Here's the thing: JavaScript is everywhere. But JavaScript eng
