how to call a function on button click in react js code example

Example 1: react onclick parameter

import React from 'react';

const ExampleComponent = () => {
  
  function sayHello(name) {
    alert(`hello, ${name}`);
  }
  
  return (
    <button onClick={() => sayHello('James')}>Greet</button>
  );
}

export default ExampleComponent;

Example 2: react onclick to make another button

import React from 'react';

const App = () => {
  
const message = () => {
 console.log("Hello World!") 
}

return (
<button onClick={message}> Press me to print a message! </button>
  );
}

Tags:

Javascript Example

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