Introduction

As JavaScript evolves, new features are constantly added to improve its efficiency , usability and power. However all these features are not supported by old browsers , so we need a magical power here such that this features can be understood by the old browsers . Can you guess ...

The "this" keyword is the most important and also super confusing concept in JavaScript. It dynamically binds to different objects depending on how and where it is used. Misunderstanding of "this" keyword can lead to unexpected behaviour and bugs, especially in more complex applications. In this ...

In today's fast paced development environment , ensuring your code is robust and maintainable is very important . Currently , React is a dominant choice for building user interfaces. React Testing Library (RTL) and Vitest stand out as powerful and developer-friendly options for ...