how to call a function when click on a button in react 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 button onclick
import React from 'react';
function App() {
function sayHello() {
alert('Hello!');
}
return (
<button onClick={sayHello}>
Click me!
</button>
);
}
export default App;