A developer's blog on JavaScript, front-end, and performance optimization. Get tutorials, tips, and insights to build faster, smarter web applications.
When most people hear asynchronous JavaScript, they immediately think of async/await or Promises. But JavaScript had ways to schedule asynchronous work long before Promises came along. The async keyword is just syntactic sugar around Promises, but th...
A JavaScript Proxy is like a middleman object that wraps another object or function and intercepts operations performed on it such as reading a property, writing a property, deleting, calling a function, etc. Think of it as a programmable layer that ...
What are middlewares? In Redux, middleware is a piece of code that sits between the actions that are dispatched to the store and the reducers that update the state based on those actions. Middleware allows you to intercept and modify actions before t...
Redux is a predictable state container for JavaScript apps that can help you organize and manage your app's state in a more efficient and scalable way. In this post, we'll explore how to use Redux with vanilla JavaScript. Step 00: Get Familiar with B...
What is Scope? Scope in JavaScript refers to the current context of code, which determines the accessibility of variables to JavaScript. Types of Scope in Javascript: Module Scope Function Scope Block Scope Lexical Scope Global Scope Module S...