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BKBabita Kumarimap-set-in-javascript.hashnode.dev

Map and Set in JavaScript: Stop Using Objects & Arrays for Everything

18h ago · 4 min read · Most beginners in JavaScript start with just Objects and Arrays. And honestly… that works for a while. But then you hit problems like: “Why is my object key behaving weirdly?” “Why am I getting dupl

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SCShravan Chaudharishrvn.hashnode.dev

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Array Methods Every Developer Must Know

1d ago · 8 min read · This article covers the full picture: how to create arrays with static methods, how to mutate them, how to read from them without changing them, and how to iterate over them with the powerful trio of

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GCGopal Choudharygopalweb.hashnode.dev

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Map and Set in Javascript

1d ago · 6 min read · Introduction In this article/blog we are going to discuss about the Map and Set in javascript, which were not the part of javascript before ES6. For a long time, the JavaScript world was a bit of a du

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SAShahbaz Ahmeddebunking-js.hashnode.dev

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Map and Set in JavaScript

5d ago · 4 min read · What is Map? Map is a collection of keyed data items, just like an Object. But the main difference is that Map allows keys of any type. Example const userMap = new Map(); userMap.set('name', 'Rocky');

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MAMohammad Amanmohammadaman.hashnode.dev

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Map and Set in JavaScript

Apr 21 · 3 min read · JavaScript objects and arrays cover most cases, but they break down when you need flexible keys or guaranteed uniqueness. Map and Set exist to solve those gaps with clearer semantics and better perfor

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ASAkash Sanglemap-and-set-in-javascript.hashnode.dev

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Map and Set in JavaScript

Apr 21 · 6 min read · Before diving into Map and Set, it's worth understanding why they exist. The Object problem: const obj = {}; obj[42] = "number key"; obj[true] = "boolean key"; console.log(Object.keys(obj)); // ["42"

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PSPrashant Sainiprashsainidev.hashnode.dev

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Map and Set in JavaScript

Apr 21 · 3 min read · Introduction In JavaScript, we often use arrays and objects. But in some situations, modern JavaScript gives us two more useful structures: Map Set Understanding them is useful because they handle

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SSUPRABHATblog.suprabhat.site

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Map and Set in JavaScript

Apr 19 · 6 min read · Whenever you need to store data in JavaScript, what is the first thing that comes to your mind? If you have a list of items, you probably use an Array. If you have data with labels (key-value pairs),

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PKPRINCE KUMARprincekumar-engineer.hashnode.dev

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Map and Set in JavaScript

Apr 18 · 4 min read · Introductions: Imagine you are managing data in two different ways A phonebook where each name is linked to a phone number A guest list where each person should appear only once In JavaScript, Map

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HSHappy singh negihappysinghnegi.hashnode.dev

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Map and Set in javaScript

Apr 18 · 3 min read · In the javaScript map and set are those topic which are ignored specially by beginners so in this blog we are going to cover about map and set. Topic's to cover: What is Map ? What is Set ? Differe

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Trending tags this week

Map and Set in JavaScript: Stop Using Objects & Arrays for Everything

Array Methods Every Developer Must Know

Map and Set in Javascript

Map and Set in JavaScript

Map and Set in JavaScript

Map and Set in JavaScript

Map and Set in JavaScript

Map and Set in JavaScript

Map and Set in JavaScript

Map and Set in javaScript