Category: React

When working with JSX in JavaScript, you may have come across the “export default” syntax. But what does it actually do? In this blog post, we’ll explore the purpose and usage of “export default” in JSX. Understanding “export default” In JSX, “export default” is used to export a single value or component as the default…

React is a popular JavaScript library for building user interfaces. One of the core methods in React is React.createElement, which is used to create React elements. However, sometimes you may encounter an error message like “React.createElement: type is invalid — expected a string”. This error typically occurs when the type parameter passed to React.createElement is…

React – Display loading screen while DOM is rendering? When working with React, it’s common to have components that take some time to render, especially when dealing with large or complex data sets. During this rendering process, it’s a good practice to display a loading screen to provide feedback to the user and improve the…

When developing a JavaScript application using webpack, it is common to use the webpack dev server for live reloading and other development features. By default, the webpack dev server runs on port 8080 and is only accessible locally. However, there may be situations where you want to make the dev server publicly accessible on port…

As a JavaScript developer, you may have encountered a situation where the useState hook in React is not triggering a re-render of your component. This can be frustrating, especially when you expect changes in state to update the UI. In this article, we will explore the possible reasons why useState is not triggering a re-render…

How to Listen State Changes in React.js? React.js is a popular JavaScript library for building user interfaces. One common task in React.js is listening for state changes, which allows you to respond to changes in your application’s data and update the UI accordingly. In this blog post, we will explore different ways to listen for…

How to Create a React App Directly in the Current Folder React is a popular JavaScript library for building user interfaces. When starting a new React project, it is common to use the create-react-app command to set up the project structure. By default, this command creates a new folder for your React app. However, there…

React-Native: Another VirtualizedList-backed Container When working with React-Native, you may come across situations where you need to display a large list of items efficiently. React-Native provides the VirtualizedList component which helps optimize the rendering of large lists by only rendering the items that are currently visible on the screen. However, there might be cases where…

React Hooks useEffect() Cleanup for Only componentWillUnmount? React Hooks have revolutionized the way we write components in React. With the introduction of hooks, we can now use state and other React features without writing a class. One of the most commonly used hooks is useEffect(), which allows us to perform side effects in our components.…

How can I wait for setState to finish before triggering a function in React? When working with React, there may be situations where you need to ensure that the setState function has finished updating the state before triggering another function. This is particularly important when the subsequent function relies on the updated state values. In…