JSFiddle - React, Tailwind, and code Playground

HTML

<div class="somar">1.000,00</div>
<div class="somar">1.000,50</div>
<div class="somar">1.000,00</div>
<div id="resultado"></div>

JavaScript

var total = $('.somar').get().reduce(function(tot, el) {
    var numero = el.innerHTML.split('.').join('').split(',').join('.');
    return tot + Number(numero);
}, 0);
$('#resultado').html(total.toLocaleString(undefined, {minimumFractionDigits: 2}));