Category: React

Update React component every second React is a powerful JavaScript library for building user interfaces. One common requirement in web development is to update a React component at regular intervals, such as every second. In this blog post, we will explore different approaches to achieve this functionality. Approach 1: Using setInterval() The simplest way to…

Why is setState in ReactJS Async instead of Sync? ReactJS is a popular JavaScript library used for building user interfaces. One of the key features of ReactJS is its state management system, which allows developers to manage and update the state of a component. The setState method is used to update the state of a…

ReactJS Component Names Must Begin with Capital Letters? When working with ReactJS, it is important to follow certain naming conventions to ensure consistency and readability in your code. One such convention is that ReactJS component names must begin with a capital letter. In this blog post, we will explore why this convention exists and how…

What is “Mounting” in React.js? React.js is a popular JavaScript library used for building user interfaces. One of the key concepts in React.js is “Mounting,” which refers to the process of creating a React component and inserting it into the DOM (Document Object Model). Mounting is divided into three phases: componentWillMount, render, and componentDidMount. Let’s…

How to Test a className with Jest and React Testing Library When working with JavaScript and React, it is crucial to ensure that your code is thoroughly tested. One common scenario is testing the presence of a specific className in a React component. In this blog post, we will explore how to accomplish this using…

Get current scroll position of ScrollView in React Native If you are working with React Native and need to get the current scroll position of a ScrollView component, you might find it a bit tricky as there is no built-in method to directly access the scroll position. However, there are a couple of ways to…

ReactJS is a popular JavaScript library for building user interfaces. It provides a declarative syntax and efficient rendering, making it a great choice for developing web applications. However, there may be times when you need to manually trigger a click event in ReactJS. In this article, we will explore different ways to achieve this. Using…

How do I hide an API key in Create React App? If you are working with Create React App and need to hide an API key, there are a few options available to you. In this blog post, we will explore two common approaches. 1. Using Environment Variables One way to hide an API key…

When working with Redux, it is important to understand the behavior of the store.dispatch method. The question that often arises is whether store.dispatch is synchronous or asynchronous. The short answer is that store.dispatch is synchronous. When an action is dispatched using store.dispatch, it is immediately processed by the Redux store and the state is updated…