react send par to function code example
Example 1: react bind function to component
class Foo extends Component {
constructor(props) {
super(props);
this.handleClick = this.handleClick.bind(this);
}
handleClick() {
console.log('Click happened');
}
render() {
return <button onClick={this.handleClick}>Click Me</button>;
}
}
Example 2: callback in react
import React, { useCallback } from 'react';
function MyComponent() {
// handleClick is the same function object
const handleClick = useCallback(() => { console.log('Clicked!'); }, []);
// ...
}