Dipanshu Kumar Sah

@dipanshusah

Aspiring Full Stack Developer | JavaScript | Node.js | Learning & Building Daily

LucknowJoined January 2026

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Passionate about JavaScript, backend development, and building real-world projects. Currently learning and sharing concepts like async/await, promises, and core JS fundamentals. Open to internships and collaboration

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Available for Frontend/Backend Internships | JavaScript Projects

Dipanshu Kumar Sah's blogs

Dipanshu Dns Recorddipanshu-dns-record.hashnode.dev37 posts

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Async Code in Node.js: Callbacks and Promises

1d ago · 2 min read · Node.js is designed to handle multiple operations efficiently without blocking execution. That’s why asynchronous code is a core part of Node.js. Whether you're reading files, calling APIs, or working

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Understanding the this Keyword in JavaScript

Apr 17 · 2 min read · The this keyword in JavaScript is one of the most confusing concepts for beginners. The reason is simple: => this does not refer to a fixed object — it depends on how a function is called. If you unde

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Map and Set in JavaScript

Apr 17 · 3 min read · JavaScript provides powerful built-in data structures like Map and Set that go beyond traditional objects and arrays. They help solve common problems like: Storing unique values Managing key-value d

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Destructuring in JavaScript

Apr 17 · 3 min read · Destructuring is a powerful feature in JavaScript that allows you to extract values from arrays and objects easily. Instead of writing repetitive code to access each value, destructuring lets you do i

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JavaScript Promises Explained for Beginners

Apr 16 · 2 min read · Handling asynchronous operations in JavaScript was once messy due to callback hell. Promises were introduced to solve this problem and make async code cleaner and more manageable. A Promise represents

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Dipanshu Kumar Sah

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Dipanshu Kumar Sah's blogs

Recently published

Async Code in Node.js: Callbacks and Promises

Understanding the this Keyword in JavaScript

Map and Set in JavaScript

Destructuring in JavaScript

JavaScript Promises Explained for Beginners

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Dipanshu Kumar Sah

About

Available for

Dipanshu Kumar Sah's blogs

Recently published

Async Code in Node.js: Callbacks and Promises

Understanding the this Keyword in JavaScript

Map and Set in JavaScript

Destructuring in JavaScript

JavaScript Promises Explained for Beginners