@joyswarnakar27
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1d ago · 4 min read · In JavaScript, we usually start with: Objects → for key-value data Arrays → for lists And for many cases, that works. But as your application grows, you start facing problems: duplicate values u
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1d ago · 2 min read · When you click a button on a website and something happens later — that’s not magic. That’s callbacks working behind the scenes. 🧠 Functions Are Values In JavaScript, functions can be passed around l
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1d ago · 2 min read · Have you ever written a long string in JavaScript and felt like your code became messy very quickly? Something like this: const name = "Joy"; const age = 21; const message = "Hello, my name is " + na
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3d ago · 3 min read · Imagine this. You open an app, click a button… and suddenly everything freezes or crashes. No message. No explanation. Just broken. 👉 That’s not just a bug.👉 That’s poor error handling. In real-worl
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