function x(v) { console.log(v); } function y() { console.log(7); } const [, , hello] = props.arr; return ( <> <button className="btn btn-primary" onClick={() => hello().then(console.log)} > hello </button> <button className="btn btn-warning" onClick={() => props.incrementByOne(y)}> +1 </button> <button className="btn btn-danger" onClick={() => props.byTen.increment(x)}> +10 </button> </> );