JSFiddle - React, Tailwind, and code Playground
HTML
<div id="o">
</div>JavaScript
const formatNumber = (number = 0) => {
console.log({ number });
const formattedNumber = parseInt(number, 10);
return isNaN(formattedNumber) ? '0' : formattedNumber.toLocaleString('nl');
};
document.getElementById('o').innerHTML = formatNumber(1233454)