JSFiddle - React, Tailwind, and code Playground

HTML

<button id="myButton">Keep me pressed to display a message !</button>

JavaScript

$(function(){
    var interval = null;
    
    $('#myButton').mousedown(function(){
        interval = setInterval(function(){
            console.log('Hello !');
        }, 250);
    });
    
    $('#myButton').mouseup(function(){
        clearInterval(interval);
    });
});