CORS, Cross-Origin Resource Sharing: Allowing Cross-Domain Communication

Cross-Origin Resource Sharing (CORS) is an essential mechanism that enables communication between clients and servers, even if they are on different domains. Normally, JavaScript applications running in the browser can only access HTTP resources on the same domain that serves them. However, CORS provides a way to allow connections to other servers. By default, certain resources like images, scripts, and styles can be loaded from different origins. However, requests made using XHR or Fetch to a different domain, subdomain, port, or protocol will fail unless the server implements a CORS policy....

Introduction to ES Modules

ES Modules is the standard method for working with modules in ECMAScript. While Node.js has been using the CommonJS standard for years, the browser did not have a native module system until the standardization of ES Modules in ES6. Now, ES Modules are supported in major browsers like Chrome, Safari, Edge, and Firefox (since version 60). Modules are a powerful tool that allows you to encapsulate functionality and expose it to other JavaScript files as libraries....

Making HTTP Requests with Axios: A Comprehensive Guide

Axios is a highly popular JavaScript library that allows you to perform HTTP requests in both browser and Node.js platforms. It supports all modern browsers, including IE8 and higher. The library is promise-based, which means you can use async/await syntax to make XHR requests effortlessly. In this blog post, we will cover the basics of Axios and how to use it effectively. Installation To use Axios in a Node.js environment, you can simply install it via npm:...

Roadmap for Learning the Web Platform: A Comprehensive Guide

The Web Platform is a powerful and diverse ecosystem comprising of APIs, tools, and languages. It offers endless possibilities for developers. If you are looking for a roadmap to learn the Web Platform, you’ve come to the right place. In this blog, I have compiled a collection of tutorials and articles that will help you navigate the Web Platform with ease. Let’s get started! Browser API Guides Begin your journey by diving into the Document Object Model (DOM), which is the fundamental API exposed by browsers....