Interview Articles – Rowdy Coders

Create a polyfill for the filter array method

In modern JavaScript development, we often rely on array methods like filter to manipulate and extract data from arrays with ease. However, older browsers may lack support for these convenient methods, leading to compatibility issues in our projects. In this blog post, we’ll explore the concept of polyfills and walk through the process of creating […]

Difference between let, var and const

JavaScript, with its versatile nature, offers multiple ways to declare variables. However, understanding the nuances between let, var, and const is crucial for writing clean, efficient, and bug-free code. In this blog post, we’ll explore the differences between these variable declarations and when to use each one. Here’s a quick example to illustrate the differences: […]

April 17, 2024

interview, react js

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Creating a dynamic counter with Start, Pause and Reset button functionality using React

During my recent job search, I encountered this question multiple times, posed by interviewers from reputable companies such as FlexCar and BetterHalf. It underscores the importance of understanding custom hooks, state management and component composition in React interviews. we’ll walk through the process of building a counter that not only displays the current count but […]

From the blog

Create a polyfill for the filter array method

Difference between let, var and const

Creating a dynamic counter with Start, Pause and Reset button functionality using React