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Pratham Kumar

@devprathamkumar

Engineering solutions through code.

Joined January 2026

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Expo Router vs React Navigation

May 23 · 7 min read · Introduction Navigation is one of the most important parts of mobile application development. No matter what you're building: Social media app Food delivery app Admin dashboard Chat application E

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How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router

May 23 · 6 min read · Introduction When developers build their first mobile app, the folder structure usually looks simple: components/ screens/ utils/ App.js For learning projects, this works. For apps with: Millions of

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Understanding the this Keyword in JavaScript

May 10 · 4 min read · Introduction One of the most confusing concepts in JavaScript is the this keyword. Many beginners expect this to always point to the same thing, but in reality: The value of this depends on how a fun

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The Node.js Event Loop Explained

May 10 · 4 min read · Introduction Modern web applications need to handle many things at once: API requests Database queries File operations Timers Real-time events But JavaScript (and Node.js) runs on a single thre

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

May 10 · 4 min read · Introduction One of the most confusing concepts in JavaScript is: this Many developers struggle with it because its value changes depending on how a function is called. To solve this flexibility pro

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Pratham Kumar

About

Available for

Pratham Kumar's blogs

Recently published

Expo Router vs React Navigation

How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router

Understanding the this Keyword in JavaScript

The Node.js Event Loop Explained

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

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Pratham Kumar

About

Available for

Pratham Kumar's blogs

Recently published

Expo Router vs React Navigation

How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router

Understanding the this Keyword in JavaScript

The Node.js Event Loop Explained

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