Testing NumbroJS

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/numbro/1.9.2/languages.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/numbro/1.9.2/numbro.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/numbro/1.9.2/languages/pt-BR.min.js"></script>
<h1 id="result">

</h1>

JavaScript

const integerFormat = { // '0,0'
    thousandSeparated: true,
    mantissa: 0
};
const decimalFormat = { // '0,0.00'
    thousandSeparated: true,
    mantissa: 2
};

var result = numbro(1000.00).format(integerFormat);
console.log(numbro(1000.00).format(decimalFormat));          // 1,000.00
console.log(numbro(1000.00).format(integerFormat));           // 1,000.00
document.getElementById('result').innerHTML = result;