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SAShahbaz Ahmedknowingnodejsexpress.hashnode.dev

How Node.js Handles Multiple Requests with a Single Thread

6d ago · 6 min read · Traditional backend systems often create multiple threads to handle multiple users. But Node.js takes a very different approach — and that’s exactly why it became so popular for building scalable web

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JDJyoti Dwivedijs-learn-fun.hashnode.dev

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Async/Await in JavaScript: Writing Cleaner Asynchronous Code

Apr 24 · 4 min read · The Callback Hell Escape Three months into my first job, I inherited this monstrosity: fetchUser(userId, function(user) { fetchPosts(user.id, function(posts) { fetchComments(posts[0].id, functio

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JDJyoti Dwivedijs-learn-fun.hashnode.dev

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Error Handling in JavaScript: Try, Catch, Finally

Apr 24 · 10 min read · The Production Nightmare 💥 It was 2 AM on a Saturday. My phone buzzed. Then again. Then it started ringing. My CTO: "The app is down. Users can't log in. What happened?" I scrambled to my laptop. The

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JDJyoti Dwivedijs-learn-fun.hashnode.dev

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Spread vs Rest Operators in JavaScript

Apr 23 · 13 min read · The Pizza Party Paradox 🍕 Last Friday, my team ordered pizza for a hackathon. We had a problem: The Situation: 5 different pizza boxes 1 giant serving table Everyone wanted to grab slices from all

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SAShahbaz Ahmeddebunking-js.hashnode.dev

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Spread vs Rest Operators in JavaScript

Mar 31 · 6 min read · What are Spread (...) Operators? The spread (...) syntax allows an iterable, such as an array or string, to be expanded in places where zero or more arguments (for function calls) or elements (for arr

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SAShahbaz Ahmeddebunking-js.hashnode.dev

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Understanding Object-Oriented Programming in JavaScript

Mar 15 · 6 min read · What is Object-Oriented Programming (OOPs)? Object-Oriented Programming (OOP) is a programming paradigm that organizes software design around objects—entities that combine data (attributes) and functi

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SAShahbaz Ahmeddebunking-js.hashnode.dev

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The Magic of this, call(), apply() and bind() in JavaScript

Mar 15 · 5 min read · What `this` means in JavaScript? The this keyword refers to the context where a piece of code, such as a function's body, is supposed to run. Most typically, it is used in object methods, where this r

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SAShahbaz Ahmeddebunking-js.hashnode.dev

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Function Declaration vs Function Expression

Mar 15 · 5 min read · What are Functions? Functions are one of the fundamental building blocks in JavaScript. A function in JavaScript is similar to a procedure—a set of statements that performs a task or calculates a valu

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SAShahbaz Ahmeddebunking-js.hashnode.dev

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Arrow Functions in JavaScript

Mar 15 · 5 min read · What are Arrow Functions? An arrow function expression is a compact alternative to a traditional function expression, with some semantic differences and deliberate limitations in usage: Arrow functio

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SAShahbaz Ahmeddebunking-js.hashnode.dev

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Understanding Objects in JavaScript

Mar 15 · 6 min read · What are Objects in JavaScript? The Object type represents one of JavaScript's data-types. It is used to store various keyed collections and more complex entities. Objects can be created using the Obj

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Trending tags this week

How Node.js Handles Multiple Requests with a Single Thread

Async/Await in JavaScript: Writing Cleaner Asynchronous Code

Error Handling in JavaScript: Try, Catch, Finally

Spread vs Rest Operators in JavaScript

Spread vs Rest Operators in JavaScript

Understanding Object-Oriented Programming in JavaScript

The Magic of this, call(), apply() and bind() in JavaScript

Function Declaration vs Function Expression

Arrow Functions in JavaScript

Understanding Objects in JavaScript