JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text">
<button>Click me!</button>

JavaScript

function handler() {
    console.log('Do something');
}
$('input').on('keyup', function(e) {
    if (e.which === 13) {
        handler();
        // или 
        // handler.call(this);
    }
});
$('button').on('click', handler);