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useState is a React Hook that lets you add a state variable to your component. const [state, setState] = useState(initialState) Reference. useState(initialState) set functions, like setSomething(nextState) Usage. Adding state to a component. Updating state based on the previous state. Updating objects and arrays in state.
The React useState Hook allows us to track state in a function component. State generally refers to data or properties that need to be tracking in an application. Import useState
May 8, 2023 · The useState() hook can conveniently hold strings, arrays, numbers, objects and much more. In this article, we are going to learn about the useState() hook and demonstrate its use with three different examples: a button with conditional rendering, form handling, and the famous counter.
useState. Hooks are a new addition in React 16.8. They let you use state and other React features without writing a class. The introduction page used this example to get familiar with Hooks:
Mar 19, 2024 · The useState hook is a powerful addition to React, introduced in version 16.8. It allows you to manage state within functional components without the need for class-based components. In this useState Hooks article, we’ll learn about useState, its syntax, usage and best practices with examples. Table of Content.
Jun 30, 2022 · A hook is a special function that lets you "hook into" various React features. Imagine a function that returns an array with two values: The first value: a variable with the state. The second value: a variable with an handler (a function to change the current state). That's it, easy-peasy. 🥞.
Mar 8, 2024 · How to Use the useState Hook. The React useState Hook enables you to have state variables in functional components. To make use of the state Hook, you must first import it into your project by using the import command. The way useState works is that it gives us two variables. The first variable is known as the value of the state, and the second ...
Nov 13, 2019 · Call useState() hook to enable state in a functional component. The first argument of the useState(initialValue) is the state's initial value. [state, setState] = useState(initialValue) returns an array of 2 items: the state value and a state updater function.
Feb 27, 2023 · The useState hook is a way to add state to function components in React. It accepts a single argument, which is the initial state, and returns an array with two values: the current state, and a function that updates it. Creating the React App. To get started, you will need to create a React app.
Feb 7, 2024 · The useState hook is a fundamental tool for managing state in functional components in React. By understanding its basic usage and applying it to different scenarios, you can efficiently handle state logic and build dynamic and interactive user interfaces.
