Promises in JavaScript are used to handle asynchronous operations. Let’s walk through what they are and test some examples live. 📘 Basic Promise Example This promise resolves after 2 seconds: const promise = new Promise((resolve, reject) => { setTimeout(() => { resolve(“✅ Promise resolved!”); }, 2000); }); promise.then(result => console.log(result)); Run Example ❌ Promise Rejection … Read more
JavaScript (JS) is a lightweight, interpreted (or just-in-time compiled) programming language that supports first-class functions. It’s commonly used for adding interactivity to websites but also powers server-side environments like Node.js and applications such as Adobe Acrobat and Apache CouchDB. JavaScript follows a flexible, dynamic programming model. Variables in JavaScript can be declared using multiple keywords … Read more
Browser rendering optimization involves techniques to improve how web pages are processed and displayed, reducing load times and enhancing user experience. Here’s a concise overview based on current best practices: Key Concepts Browsers render web pages by parsing HTML, building the DOM and CSSOM, creating a render tree, performing layout calculations, and painting pixels to … Read more
Key Points Overview The Web Bluetooth API is a tool for web developers to make websites interact with Bluetooth devices, like smartwatches or home gadgets. It’s great for creating apps that work without needing to download software, but it’s still being developed, so not all browsers support it yet. How to Use It To get … Read more
JavaScript developers often work with various tools to handle HTTP requests efficiently. Whether using Fetch, XMLHttpRequest, Axios, or jQuery AJAX, each has its own way of making code more responsive and user-friendly. Using the Fetch API The Fetch API is a modern way to make asynchronous network requests in JavaScript. Here’s how to use it effectively: … Read more
When working with a React.js project using Vite, you may encounter errors related to package imports or npm installations. One common issue is the failure to resolve an imported package, such as browser-image-compression, followed by npm installation errors like EPERM: operation not permitted or version mismatches. In this article, we will explore the causes of … Read more
One powerful technique to improve web performance is lazy loading, which delays the loading of non-critical resources until they are needed. This approach helps reduce initial load times, making applications faster and more efficient. In React, lazy loading plays a crucial role in optimizing performance by splitting the code into smaller chunks and loading components … Read more
JavaScript indexing is a fundamental concept that every developer encounters when working with data structures. Understanding how indexing works is crucial to manipulating arrays, accessing object properties, or optimizing for search engines. This article explores JavaScript indexing across different contexts, common pitfalls, and best practices. 1. Array Indexing: Zero-Based and Dynamic Arrays in JavaScript are … Read more
Web development continues to evolve rapidly, with new tools and technologies emerging each year to enhance the workflow, productivity, and creativity of developers. As we move into 2025, the landscape of web development has shifted significantly, introducing powerful frameworks, modern code editors, and intelligent solutions for building faster, more dynamic websites and web applications. This … Read more
When working with CSS in React, handling styles effectively is crucial to maintaining a well-structured, conflict-free, and scalable application. CSS precedence determines which styles take effect when multiple rules target the same element. This article explains how CSS precedence works in React and provides best practices for managing styles efficiently. What is CSS Precedence? CSS … Read more