What Is CORS? Why Your API Request Is Blocked and How to Fix It
Learn what CORS is, why browsers block API responses, what a preflight request is, and how to fix CORS on the server with a tested Node.js example.
Tag
Web Development
17 articles
Lavkush
How to Create a Next.js App: Your First Project, Step by Step
Create your first Next.js app step by step: install Node, run create-next-app, answer the setup questions, run the dev server and add your first pages.
HTTP Headers Explained: What They Are and How They Work
Learn what HTTP headers are, how request and response headers work, the common examples to know, and how to view them in your browser DevTools today.
What Is PHP? Explained Simply for Beginners
PHP is a server-side language for building websites. Learn what it does, see a working example, and compare PHP vs JavaScript in simple words for beginners.
What Is React? Explained Simply for Beginners
React is a JavaScript library for building user interfaces from reusable components. Learn props, state, JSX and the virtual DOM in simple beginner words.
What Is Next.js? Explained Simply for Beginners
Next.js is a React framework that adds routing, server rendering, SEO and API routes. Learn what it does, how it differs from React and when to use it.
React Hooks Explained: useState and useEffect with Simple Examples
Learn React Hooks simply: useState for memory, useEffect for side effects, dependency arrays and common beginner mistakes, with easy working examples.
Docker Image vs Container: What Is the Difference?
Learn the difference between a Docker image and a container in plain English, with a simple analogy, a clear table and real commands for beginners.
How to Check Your Website Speed with Google PageSpeed Insights
Learn how to check your website speed with Google PageSpeed Insights, understand the four scores and Core Web Vitals, and fix common warnings in minutes.
How to Become a Front-End Developer: A Simple Beginner Roadmap
A simple, step-by-step roadmap to become a front-end developer, from HTML and CSS to JavaScript, React, projects, a portfolio and your first job. Start now.
What Is Docker Compose? Explained Simply for Beginners
Docker Compose explained simply: run your web app, database and cache together from one docker-compose.yml file with a single command. Beginner friendly.
How to Fetch Data from an API in JavaScript (fetch Explained Simply)
Use fetch() to get data from any API in JavaScript — .then() and async/await, GET and POST examples, and error handling explained in simple words for you.
