RKRupesh Kumarinrupeshgadariya.hashnode.dev00Map and Set in JavaScriptMay 9 · 5 min read · Map In JavaScript, "map" typically refers to two different things: a data structure for storing key-value pairs or a method used to transform array The Map Object The Map is a collection of keyed dataJoin discussion
RKRupesh Kumarinrupeshgadariya.hashnode.dev00Destructuring in JavaScriptMay 9 · 3 min read · Destructuring is a programming syntax (most commonly in JavaScript) that makes it possible to unpack values from arrays or properties from objects directly into distinct variables. It breaks down compJoin discussion
RKRupesh Kumarinrupeshgadariya.hashnode.dev00PromisesMay 9 · 4 min read · In JavaScript, a Promise is an object representing the eventual completion (or failure) of an asynchronous operation and its resulting value. They are the foundation of modern asynchronous programmingJoin discussion
RKRupesh Kumarinrupeshgadariya.hashnode.dev00JWTMay 8 · 5 min read · Authentication is required to verify a user’s identity, protecting systems, data, and applications from unauthorized access. It secures personal information, prevents fraud, and ensures that only authJoin discussion
RKRupesh Kumarinrupeshgadariya.hashnode.dev00ExpressMay 7 · 8 min read · Express.js is a lightweight web framework for Node.js used to build servers and APIs quickly. It simplifies routing, middleware handling, and HTTP requests/responses. Express.js is widely used in backJoin discussion
RKRupesh Kumarinrupeshgadariya.hashnode.dev00Node.js ApplicationApr 30 · 9 min read · What is node js Node.js is a JavaScript runtime environment that allows developers to run JavaScript outside the browser. It is built on Chrome’s V8 engine and is mainly used for server-side developmeJoin discussion
RKRupesh Kumarinrupeshgadariya.hashnode.dev00Synchronous vs Asynchronous JavaScriptApr 30 · 8 min read · JavaScript execution follows a single-threaded, synchronous model where code is processed within an Execution Context. This process is managed by a JavaScript engine (like Google's V8 Engine) through Join discussion
RKRupesh Kumarinrupeshgadariya.hashnode.dev00Callbacks in JavaScriptApr 30 · 6 min read · In JavaScript, a callback is a function passed as an argument to another function, which is then executed (or "called back") inside the outer function to complete a specific task. This is possible becJoin discussion
RKRupesh Kumarinrupeshgadariya.hashnode.dev00JavaScript ModulesApr 23 · 4 min read · Modules JavaScript modules allow you to break down large programs into smaller, reusable, and independent files. Each module has its own private scope, preventing variable name conflicts and "namespacJoin discussion
RKRupesh Kumarinrupeshgadariya.hashnode.dev00Operator in JavaScriptMar 10 · 7 min read · What is operators in javascript In JavaScript, operators are special symbols or keywords that tell the JavaScript engine to perform a specific action on one or more values (operands) and return a resuJoin discussion
