event is undefined – Event object is not properly passed in function.
“event is undefined – Event object is not properly passed in function” Table of Contents 1. Introduction In JavaScript, event handling is one of the core aspects of making web….
Tag: JavaScript arrow functions
ParseInt without radix parameter (e.g., ParseInt(“08”))
Understanding parseInt Without the Radix Parameter (e.g., parseInt(“08”)) in JavaScript Introduction parseInt() is a built-in JavaScript function that converts a string into an integer. However, when parseInt is used without….
Object.keys not returning prototype properties
Understanding Object.keys() Not Returning Prototype Properties in JavaScript JavaScript provides several ways to retrieve an object’s properties, and one commonly used method is Object.keys(). However, many developers get confused when….
RegExp backtracking causing performance issues
RegExp Backtracking Causing Performance Issues: A Detailed Explanation Regular expressions (RegExp) are a powerful tool for pattern matching in JavaScript, but improper use of them, especially with complex patterns, can….
returning incorrect values after scaling
Returning Incorrect Values After Scaling in JavaScript Scaling is a critical operation in many applications, especially those involving graphics, web design, animations, and mathematical computations. When working with scaling in….
blocked by popup blockers
Blocked by Popup Blockers in JavaScript In modern web development, popups can be a necessary part of user experience, such as for advertisements, modals, notifications, or login forms. However, popup….
context lost errors
Context Lost Errors in JavaScript In JavaScript, context lost errors refer to situations where the expected context (this or the environment where the code is executed) is lost or misdirected,….
failing to register due to scope mismatch
Failing to Register Due to Scope Mismatch in JavaScript In JavaScript, scope mismatch refers to a situation where variables, functions, or objects are accessed in a context where they are….
Date parsing inconsistencies across browsers
Date Parsing Inconsistencies Across Browsers Date parsing is one of the most common yet problematic areas in JavaScript due to variations in how different browsers interpret date formats. If not….
Infinite loops in while/for statements
Infinite Loops in While/For Statements – Detailed Explanation and Debugging Guide What is an Infinite Loop? An infinite loop occurs when a loop continues executing indefinitely without terminating. This usually….