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@sidratul

Sidratul Muntaha

@sidratul

kolkata, West BengalJoined January 2026

About

Calm developer focused on clean code and thoughtful design.

Available for

coffee breaks....

Sidratul Muntaha's blogs

Map and Set in JavaScriptmapandsetinjs.hashnode.dev2 posts

Git: Basics and Essential Commandsgitbasicandessential.hashnode.dev1 post

The Pendrive Problempendriveprob.hashnode.dev1 post

Inside Git and VCSinsidegitroleandworks.hashnode.dev1 post

The Internet’s Phonebook: DNSdnsrecordexplained.hashnode.dev1 post

About

Calm developer focused on clean code and thoughtful design.

Available for

coffee breaks....

Sidratul Muntaha's blogs

Map and Set in JavaScriptmapandsetinjs.hashnode.dev2 posts

Git: Basics and Essential Commandsgitbasicandessential.hashnode.dev1 post

The Pendrive Problempendriveprob.hashnode.dev1 post

Inside Git and VCSinsidegitroleandworks.hashnode.dev1 post

The Internet’s Phonebook: DNSdnsrecordexplained.hashnode.dev1 post

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Recently published

SMSidratul Muntahainmapandsetinjs.hashnode.dev

Understanding the this Keyword in JavaScript

3h ago · 3 min read · What does this really mean (in simple words)? Think of this as a label that points to something—but that “something” is not fixed.It changes depending on who is using (calling) the function at that mo

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SMSidratul Muntahainmapandsetinjs.hashnode.dev

Map and Set in JavaScript

4h ago · 5 min read · Modern JavaScript (ES6+) introduced Map and Set to solve everyday problems developers faced with objects and arrays. While objects and arrays are still widely used, they sometimes become inefficient o

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SMSidratul Muntahaindestructuringinjs.hashnode.dev

Destructuring in JavaScript

4h ago · 5 min read · What Does Destructuring Mean? Destructuring in JavaScript is a syntax that allows you to unpack values from arrays or properties from objects into separate variables — in a clean and readable way. Thi

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SMSidratul Muntahainpromisesinjs.hashnode.dev

JavaScript Promises Explained for Beginners

4h ago · 3 min read · What Problem Do Promises Solve? Before promises, JavaScript relied heavily on callbacks to handle asynchronous operations like API calls, file reading, or timers. But callbacks often led to something

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SMSidratul Muntahainasyncawaitinjs.hashnode.dev

Async/Await in JavaScript: Writing Cleaner Asynchronous Code

6h ago · 3 min read · Introduction As JavaScript evolved, handling asynchronous operations became both powerful and… messy. Early solutions like callbacks led to deeply nested structures (often called “callback hell”), and

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