However, many developers often overlook the importance of callbacks when using useState. In this tutorial, we will explore how to effectively use callbacks with the useState hook in React. By understanding this concept, you can ensure that your state updates are handled correctly, especially when ...
In this guide, we will explore how to use the Fetch API with React to fetch data from a remote server and display it in a React component.
React components re-render when there is a change in their state or props. However, there might be scenarios where a component receives new props but doesn’t need to re-render because the computation result remains the same. In such cases, you can use‘useMemo()’to memoize the computed ...
In this example, we are using the setState callback function to make an API call after a setState update is completed.App.jsimport React from "react"; class App extends React.Component { state = { count: 0 }; increment = ()
For this example, you can set up a free-tier registry in theBLR1region and call itmy-container-registry. Note:You need to have aDigitalOcean accountto use Container Registry, so make sure to sign up if you haven’t already. The next step is to get the API token to access the reg...
Redux DevTools Extension - Connects Redux app to Redux DevTools You can yarn add or npm i them, and I'll be using react-router-dom as well, but that's it for extra dependencies. Copy npm i \ redux \ react-redux \ redux-thunk \ redux-devtools-extension \ react-router-dom And delet...
Done, that’s it! 6 easy steps and the goal is achieved: user sample data has been retrieved from a third-party service in your React application by using JavaScript’s Fetch API and outputted in the browser. That’s how easy it is to retrieve API data with React...
However, it is not recommended to do this, and it is even marked as a bad practice to access the DOM directly when using React. The vanilla JavaScript equivalent to focusing an element could look like the following code snippet:document.getElementById('myInput').focus()...
Have you ever wondered if there is a way in which you could analyse the performance of your React application? There is a way by using the Profiler. It’s extremely easy to use and super lightweight. Profiler API All you need to do to use it is to import it from React and wrap the...
ReactDOM.render(<App />, document.getElementById('root')); As you can see I have imported thecreateContextfunction fromreact. I then call the function and save the output object into the variable calledUserContext. It’s important to give our context variables meaningful names to reflect the...