Author: Coder

How to Optimize React Complex Code for Better Performance and Readability

How to Optimize React Complex Code for Better Performance and Readability

Introduction: Why Optimize Complex React Code? As React applications grow in size and complexity, performance and maintainability can become a challenge. Writing efficient React code that scales well with increasing components, state management, and...

Understanding Higher-Order Components in React: A Comprehensive Guide

Understanding Higher-Order Components in React: A Comprehensive Guide

Introduction Among the various powerful patterns that developers use while developing applications in React, the most important one happens to be Higher-Order Components. In this paper, we will explain what Higher-Order Components are, how they work, and why they are among the most important tools for building reusable and scalable React applications. What Are Higher-Order Components (HOCs)...

Understanding React useState Hook: A Beginner’s Guide

Understanding React useState Hook: A Beginner’s Guide

Introduction: What is the React useState Hook? The React useState hook is one of the fundamental hooks in React, enabling you to add state to your functional components. Before hooks were introduced, React class...

Visa interview questions with answers – Part 1

Visa interview questions with answers – Part 1

1. Which visa do you want an approval for? L1A/L1B individual/Blanket / H1B. Expectation of officer: Visa type only no details 2. Have you visited the United States previously? Yes/No Expectation of officer: If...

React: How to take a jest snapshot after axios fetched data

React: How to take a jest snapshot after axios fetched data

How to write React JS Jest test case to match snapshot with Axios mock implementation Snapshot tests are a very useful tool whenever you want to make sure your UI does not change unexpectedly....

How to write React JS Jest test case for Ag Grid/AgGrid with good coverage

How to write React JS Jest test case for Ag Grid/AgGrid with good coverage

How to write React JS Jest test case for Ag Grid/AgGrid with good coverage When i started writing jest test cases for React Js Ag Grid/AgGrid, i found less help on Google. Below are...

How to Install Jest and Write Jest Test Cases in React JS

How to Install Jest and Write Jest Test Cases in React JS

Introduction: How to Install Jest and Write Jest Test Cases in React JS Testing is an essential part of software development that ensures your application behaves as expected. In the world of React JS,...

React JS: How to change props value from child component

React JS: How to change props value from child component

As we know Props are immutable and we can pass them from Parent to child like below: <ChildComponent myName={this.state.childMyName} />   in above code parent’s state myName now become props for child component ChildComponent. here...

Differences Between React Functional and Class Components: A Comprehensive Guide

Differences Between React Functional and Class Components: A Comprehensive Guide

Introduction: React Functional vs Class Components When building React applications, understanding the differences between functional and class components is crucial for writing efficient and maintainable code. In React, both functional components and class components...

How to get Client IP address in Angular

How to get Client IP address in Angular

Introduction: How to Get Client IP Address in Angular In many modern web applications, you may need to know the client’s IP address for various reasons—whether it’s for logging, location-based services, or security purposes....