In this step, you’ll create a localREST APIusingJSON server, which you will use as a test data source. Later, you’ll build an application to display a grocery list and to add items to the list. JSON server will be your local API and will give you a live URL to makeGETandPOSTre...
However, the broader idea behind conducting tests on your React application is to make it less prone to errors and deliver a good user experience. Furthermore, applications are typically updated frequently; testing ensures the application doesn’t break and the code is still reliable. React ...
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 ...
Fetching data from third-party RESTful APIs in React application is a common task when creating web application. This task can be solved easily by using the standard JavaScript Fetch API in your React application. The Fetch API is a new standard to make server requests with Promises, but which...
We just want to make the API call once, when it first renders. Then, this value will be reused in subsequent renders. When Is Using useMemo a Bad Idea? As useful as the hook is, using useMemo constantly is not necessarily a good idea. It may be tempting to wrap every function ...
There are tons of libraries for making API calls. However, these are the most popular ones are: Fetch Axios React-Axios Use-Http React-request and more Using Fetch To Make HTTP Calls in React Fetch() is a browser-based API. You can use it to make HTTP calls. Let’s take a look at...
Context APIand the React HookuseContext()in your React project. The Context API is a React structure that allows you to share specific data from all levels of your application and aids in solving prop-drilling. React Hooks are functions that serve as a modular replacement for state and lifecyc...
In this tutorial, Chidi Orji will show you how to build a React drag-and-drop component for file and image uploads. In the process, we’ll learn about the HTML drag-and-drop API. We will also learn how to use the useReducer hook for managing state in a R
How to Use MQTT in The React Project This article introduces how to use MQTT in the React project, and implement the connection, subscription and messaging, etc of MQTT. Nov 8, 2024WantingHow to Use MQTT in Vue Projects This article introduces how to use MQTT in the Vue project, and ...
In this tutorial, we will go over the concept of forwarding refs in React and understand how it helps us manage interactions with the DOM. For a more engaging experience, we’ll cover how to create refs, attach created refs to DOM elements and classes, use the forwardRef method, and more...