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String Polyfills and Common Interview Methods in JavaScript

Mar 26 · 7 min read · You've used toUpperCase(), trim(), includes() dozens of times. But have you ever been asked can you build that yourself? That's exactly what interviews test. Not whether you know the method name, but

Array Flatten in JavaScript

Mar 26 · 6 min read · Arrays inside arrays inside arrays. At some point, almost every JavaScript developer ends up staring at deeply nested data wondering how do I get all of this into one flat list? That's what flattening

Map and Set in JavaScript

Mar 26 · 6 min read · You already know objects and arrays. They've handled most of your data needs so far. But there are situations where both start showing their limits and that's exactly where Map and Set come in. The Pr

JavaScript Modules: Import and Export Explained

Mar 26 · 7 min read · As your JavaScript code grows, keeping everything in one file stops working. Things get hard to find, hard to fix, and hard to reuse. Modules are how JavaScript lets you split your code into separate

Destructuring in JavaScript

Mar 26 · 5 min read · Imagine you just looted an enemy in BGMI. Inside the loot box, you see • Medkit• Ammo• Grenade• Scope Now you don’t pick the entire loot box… You pick only what you need. Maybe just ammo and medkit. T