HJHarsh Jaimaninharshjaiman.hashnode.dev·1d ago · 17 min readInside ServiceNow's Engine: How Java, Rhino, and JavaScript Work TogetherEvery ServiceNow developer writes JavaScript. But almost nobody stops to ask a simple question. If ServiceNow is built on Java — and it is, entirely — why are we writing JavaScript? Where does our cod00
JOJoel Omondiinsemedodev.hashnode.dev·Jun 7 · 6 min readWhy I Still Start with Vanilla JavaScript Before Using FrameworksIntroduction Every week someone asks the same question in developer communities: "Should I learn vanilla JavaScript or just jump straight into React?" The answer you'll hear most often is "just learn 10
SPSourabh Pandeinsaurabh532.hashnode.dev·May 11 · 3 min readThe Closure Cookbook — Practical Recipes for Real-World JavaScriptImagine you're packing a suitcase. When you close the suitcase, all the items inside remain with it. Even if you take the suitcase to another place, the items are still inside it. Similarly, a closure00
JJJainam Jaininunderstanding-javascript-methods.hashnode.dev·May 10 · 5 min readWhat is Node.js? Today, JavaScript is used everywhere: websites APIs real-time apps backend servers even desktop applications But JavaScript was not originally designed for all this. In the beginning, JavaScrip00
HHitakshiinhitakshi120.hashnode.dev·May 10 · 5 min readThe Node.js Event Loop ExplainedWhy Node.js Needs an Event Loop Node.js is: Single-threaded That means: It mainly uses one main thread One thread cannot do many tasks at the exact same moment So the question becomes: Ho00
NSNamra Sutharinnamrabuilds.hashnode.dev·May 10 · 10 min readREST API Design Made Simple with Express.jsWhen you build a frontend app, it usually needs data. For example: login user show products create a post update profile delete a comment But the frontend does not directly open your database. 00
KSKanishka Shashiinnodej.hashnode.dev·May 10 · 10 min readBlocking vs Non-Blocking Code in Node.jsModern web applications are expected to handle multiple users, process requests quickly, and remain responsive even under heavy traffic. One of the core reasons Node.js became so popular is its abilit00
KSKanishka Shashiinnodej.hashnode.dev·May 10 · 9 min readHandling File Uploads in Express with MulterFile uploading is one of the most common features in modern web applications. Almost every application today allows users to upload files in some form, whether it is profile pictures, documents, video00
KSKanishka Shashiinnodej.hashnode.dev·May 10 · 9 min readWhat is Node.js? JavaScript on the Server ExplainedJavaScript is one of the most popular programming languages in the world. For many years, it was mainly used for frontend development inside web browsers to make websites interactive and dynamic. Howe00
JJJainam Jaininunderstanding-javascript-methods.hashnode.dev·May 10 · 4 min readWhy Node.js is FastWhen people talk about Node.js, one thing is mentioned almost everywhere: “Node.js is fast” But why? Is it because of some powerful hardware optimization? Not really. The real reason Node.js performs 00