new URL() throwing errors for invalid URLs
new URL() Throwing Errors for Invalid URLs: A Detailed Guide Overview The new URL() constructor in JavaScript is used to create a new URL object. However, if an invalid URL….
Tag: DOM manipulation
Uncaught TypeError: Illegal constructor (e.g., new Image)
Uncaught TypeError: Illegal constructor (e.g., new Image) in JavaScript In JavaScript, encountering the error “Uncaught TypeError: Illegal constructor” can be frustrating, especially when trying to instantiate certain objects or classes….
Decode URI Component throwing errors for malformed URIs
decodeURIComponent Throwing Errors for Malformed URIs: Understanding the Issue and Fixing It Overview The JavaScript function decodeURIComponent is used to decode a URI component that has been previously encoded with….
Math.random predictability in secure contexts
Math.random() Predictability in Secure Contexts JavaScript’s Math.random() function is often used for generating random values in applications such as gaming, cryptography, security tokens, and unique identifiers. However, it is not….
Array.prototype.sort incorrect numeric sorting*
Array.prototype.sort Incorrect Numeric Sorting in JavaScript JavaScript’s Array.prototype.sort() method is commonly used to sort arrays. However, when dealing with numbers, developers often encounter unexpected behavior. This issue occurs because JavaScript’s….
New Image() not loading in some environments
Understanding requestAnimationFrame Memory Leaks in JavaScript Introduction to requestAnimationFrame requestAnimationFrame (often abbreviated as rAF) is a built-in JavaScript function that is commonly used for smooth animations and efficient rendering updates….
Request Animation Frame memory leaks
Understanding requestAnimationFrame Memory Leaks in JavaScript Introduction to requestAnimationFrame requestAnimationFrame (often abbreviated as rAF) is a built-in JavaScript function that is commonly used for smooth animations and efficient rendering updates….
WebSocket connection failures
WebSocket Connection Failures – In-Depth Explanation WebSockets provide a full-duplex communication channel over a single TCP connection, allowing real-time communication between a client (browser) and a server. However, WebSocket connections….
fetch not handling network errors
fetch() Not Handling Network Errors – Detailed Explanation and Fixes The fetch() API in JavaScript is used to make network requests. However, many developers misunderstand how it handles network errors,….
Uncaught Type Error: Super expression must be a constructor
Uncaught TypeError: Super expression must be a constructor Overview This JavaScript error occurs when using the super keyword incorrectly while extending a class. The error typically happens in ES6+ class-based….