asawer.hashnode.devDifference Between Authentication & AuthorizationIn professional and industry-standard applications, authentication and authorization are two distinct but interrelated security mechanisms. Both are essential for building secure applications but serve different purposes. 1️⃣ Authentication ("Who Ar...Feb 10, 2025·4 min read
asawer.hashnode.devKey Considerations Before Designing Your APIREST API design using Node.js, covering topics like security, performance, versioning, testing, and documentation. By the end of this, you’ll have a comprehensive understanding of how to design, build, and maintain professional REST APIs. 1. Basics ...Jan 26, 2025·6 min read
asawer.hashnode.dev"this" in JavaScriptThe this keyword in JavaScript is a fundamental concept that behaves differently depending on the context in which it is used. It can be tricky for beginners but is essential to understand for mastering JavaScript. Let’s explore this from beginner to...Jan 20, 2025·4 min read
asawer.hashnode.devIn-Depth Explanation of Key Components in Asynchronous JavaScriptTo understand how JavaScript handles asynchronous operations, it's crucial to dive into the Call Stack, Task Queue, Web APIs, and Microtask Queue, which form the foundation of the JavaScript runtime environment. 1. Call Stack The Call Stack is a dat...Jan 20, 2025·4 min read
asawer.hashnode.devEverything About JavaScript Data TypesIn JavaScript, data types define the kind of value that can be stored and manipulated. JavaScript is a dynamically typed language, meaning variables can hold values of any data type, and the type can change at runtime. JavaScript Data Types JavaScri...Jan 19, 2025·3 min read