JSFiddle - React, Tailwind, and code Playground

JavaScript

var options = { 
    style: 'currency', 
    currency: 'BRL', 
    minimumFractionDigits: 2 
};
var numberFormat = new Intl.NumberFormat('pt-BR', options);

var dinheiro = 1.23;
for (var dinheiro = 1.23; dinheiro < 10; dinheiro += 0.81) {
    var div = document.createElement("div");
    div.innerHTML = numberFormat.format(dinheiro);
    document.body.appendChild(div);
}