Feb 17, 2025 · In ReactJS, functional components are a core part of building user interfaces. They are simple, lightweight, and powerful tools for rendering UI and handling logic. Functional …

You can create functions in react components. It is actually regular ES6 class which inherits from React.Component. Just be careful and bind it to the correct context in onClick event:

There are several ways to make sure functions have access to component attributes like this.props and this.state, depending on which syntax and build steps you are using. Bind in …

When creating a React component, the component's name MUST start with an upper case letter. A class component must include the extends React.Component statement. This statement …

In this Answer, we’ve explored how to create a function in React, covered the basics of using props in React functional components, and touched on the React component structure. By …

Let's start with a simple example of a Functional Component in React defined as App component which returns JSX: const greeting = 'Hello Function Component!'; That's already the essential …

React comes with several built-in Hooks like useState, useContext, and useEffect. Sometimes, you’ll wish that there was a Hook for some more specific purpose: for example, to fetch data, …

Nov 8, 2023 · A function in ReactJS is like a factory machine: you feed it some raw materials (these are known as 'arguments' or 'parameters'), it processes these materials according to a …

Nov 2, 2023 · Helper functions in React.js are like your trusty assistants, and they play a crucial role in simplifying complex tasks. When these functions are well-structured, they make your …

Oct 1, 2015 · Here are some examples on how you can reuse a function (FetchUtil.handleError) in a React component (App). handleError: function(response) { if (!response.ok) throw new …