JJyotishmaninwebjournal.hashnode.dev00JavaScript Modules: Import and Export Explained23m ago · 5 min read · When we first learn JavaScript, we usually write everything in one file. Example: function add(a, b) { return a + b; } function multiply(a, b) { return a * b; } console.log(add(2, 3)); This worJoin discussion
JJyotishmaninwebjournal.hashnode.dev00Array Methods You Must Know3h ago · 4 min read · Arrays are everywhere in JavaScript. we use arrays for list of users , products, comments, marks, messages etc Example: const fruits = ["apple", "banana", "mango"]; JavaScript gives us special array Join discussion
JJyotishmaninwebjournal.hashnode.dev00Async Code in Node.js: Callbacks and Promises4h ago · 6 min read · When beginners start learning Node.js, one thing often feels confusing at first: “Why doesn’t Node.js wait for tasks to finish?” You read a file, call a database, or fetch data from an API — and insJoin discussion
JJyotishmanindevbloggg.hashnode.dev00How React Virtual DOM works under the Hood7h ago · 5 min read · When people start learning React, one of the first things they hear is: “React uses a Virtual DOM.” But what actually is it? And why did React even create it? Let’s understand it in a simple, practiJoin discussion
JJyotishmaninjyotishman1.hashnode.dev00TCP vs UDP: When to Use What, and How TCP Relates to HTTP9h ago · 3 min read · Imagine you are trying to send a letter to a friend across the country. You have two choices: Certified Mail: You get a receipt, you can track it, and the post office guarantees it arrives in perfectJoin discussion