Languages
[Edit]
EN

React - get value of an input element

0 points
Created by:
sienko
683

In this article, we would like to show you how to get value of an input element in React.

There are two ways to get an input element value:

  • using input reference current value,
  • using event target value.

1. Get input reference current value

In this solution we use:

  • useState hook - to store username value as component's state,
  • useRef hook - to create input reference to operate on.

To get the value of an input we assign the reference using the input's ref property. Then we can get the reference value with inputRef.current.value and set the username to it using setUsername method.

Runnable example:

// ONLINE-RUNNER:browser;

// Note: Uncomment import lines while working with JSX Compiler.
// import React from 'react';
// import ReactDOM from 'react-dom';

const App = () => {
  const [username, setUsername] = React.useState('Your username');
  const inputRef = React.useRef();

  const handleChange = () => {
    setUsername(inputRef.current.value);
  };

  return (
    <div>
      <h2>{username}</h2>
      <div>
        <label>insert username: </label>
        <input type="text" ref={inputRef} onChange={handleChange}></input>
      </div>
    </div>
  );
};

const root = document.querySelector('#root');
ReactDOM.render(<App />, root );

2. Get event target value

In this solution, useState always stores the current value of an input.

Runnable example:

// ONLINE-RUNNER:browser;

// Note: Uncomment import lines while working with JSX Compiler.
// import React from 'react';
// import ReactDOM from 'react-dom';

const App = () => {
  const [username, setUsername] = React.useState('Your username');

  const handleChange = (event) => {
    setUsername(event.target.value);
  };

  return (
    <div>
      <h2>{username}</h2>
      <div>
        <label>insert username: </label>
        <input type="text" onChange={handleChange}></input>
      </div>
    </div>
  );
};

const root = document.querySelector('#root');
ReactDOM.render(<App />, root );

Note:

For more information about updating the useState check the related posts.

Related posts

Alternative titles

  1. React - get input reference value
  2. React - get input event target value
Donate to Dirask
Our content is created by volunteers - like Wikipedia. If you think, the things we do are good, donate us. Thanks!
Join to our subscribers to be up to date with content, news and offers.

ReactJS

React - get value of an input element
Native Advertising
🚀
Get your tech brand or product in front of software developers.
For more information Contact us
Dirask - we help you to
solve coding problems.
Ask question.

❤️💻 🙂

Join