ACARKPARAVA CHAKRABORTYinunderstand-and-build-in-web.hashnode.dev·May 10 · 3 min readBeyond Objects and Arrays: Mastering Map and Set in JavaScriptFor years, JavaScript developers relied almost exclusively on Objects for key-value storage and Arrays for lists of data. While these are powerful tools, they have limitations that can lead to messy c00
PParamveerinunderstanding-web-dev.hashnode.dev·May 10 · 6 min readMap and Set in JavaScriptIn this article we are gonna understand two very useful JavaScript data structures which are Map and Set. Initially most developers rely heavily on objects and arrays for almost everything and honestl00
SJSaurabh Jagtapinthe-beginners-guide-to-curl.hashnode.dev·May 9 · 4 min readThe Upgrade: Why Objects and Arrays Weren't EnoughImagine you are organizing a massive international tech conference in 2026. You have two main tasks: Keep a guest list where every person has a unique badge ID. Store metadata about sponsors, where 00
AGArmaan Garginmapandsetbyarmaan.hashnode.dev·May 7 · 6 min readMap and Set in JavascrIntroduction As JavaScript applications grow, managing data efficiently becomes increasingly important. While arrays and objects are commonly used for storing information, they are not always the best00
GCGopal Choudharyingopalweb.hashnode.dev·Apr 28 · 6 min readMap and Set in JavascriptIntroduction 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 du00
SAShahbaz Ahmedindebunking-js.hashnode.dev·Apr 24 · 4 min readMap and Set in JavaScriptWhat 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');00
VPVed Pandeyinvedpandeydev.hashnode.dev·Apr 23 · 5 min readMaps & Sets: The Modern Way to Store DataWhat are we gonna Study? Hey there folks, hope you are doing great in your life, today we are going to understand what are maps and sets in JavaScript. The following are the topics for today: What Ma00
SBSameer Bhagtaniinblog.sameerbhagtani.dev·Apr 9 · 6 min readMap and Set in JavaScript: A Practical GuideIntroduction JavaScript gives you objects and arrays out of the box, and for a long time those two were the default answer to almost every data storage problem. Objects for key-value pairs, arrays for00
HSHrishikesh Shanbhaginmap-and-set-in-js-hrishikesh.hashnode.dev·Apr 6 · 2 min readMap and Set in JavaScriptMaps A map in javascript is powerful way to store key-value pairs const map = new Map(); map.set(100,"Police Department"); map.set(101,"Fire Department"); map.set(108,"Ambulance Department") map.set(00
APAalam Patilinaalampatilblogs.hashnode.dev·Apr 4 · 4 min readMap and Set in JavaScriptTopics to Cover What Map is What Set is Difference between Map and Object Difference between Set and Array When to use Map and Set Map and Set in JavaScript (Explained with X-Men 🦸♂️) Imagine00