React - onClick example

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In this article, we would like to show you how to use onClick event in React.

Quick solution:

<button onClick={handleClick}>Click me</button>

Practical example

In below example, we pass external handleClick arrow function to the button's onClick property that handles mouse click event.

Runnable example:

// ONLINE-RUNNER:browser;

// Note: Uncomment import lines while working with JSX Compiler.
// import React from 'react';
const handleClick = () => {
  console.log('handleClick catched');

const App = () => {
  return (
    <div className="App">
      <button onClick={handleClick}>Click me</button>

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

If you want the solution with class component read this article.

Alternative titles

  1. React - onClick example in functional component
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